MyThinkJulia-Ch04z5-Plotting.ipynb

{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Plotting\n",
    "\n",
    "## Basics\n",
    "There are a few different ways to plot in Julia (including calling PyPlot). <br>\n",
    "\n",
    "Here we'll show you how to use `Plots.jl`.  If it's not installed yet, you need to use the package manager to install it, and Julia will precompile it for you the first time you use it:"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "\u001b[32m\u001b[1m  Updating\u001b[22m\u001b[39m registry at `C:\\Users\\ST\\.julia\\registries\\General`\n",
      "\u001b[32m\u001b[1m  Updating\u001b[22m\u001b[39m git-repo `https://github.com/JuliaRegistries/General.git`\n",
      "\u001b[2K\u001b[?25h[1mFetching:\u001b[22m\u001b[39m [========================================>]  100.0 %.0 %3.7 %                                   ]  10.6 % %]  26.3 %\u001b[36m\u001b[1mFetching:\u001b[22m\u001b[39m [=============>                           ]  30.4 %===============>                         ]  35.5 %>                      ]  44.2 %\u001b[36m\u001b[1mFetching:\u001b[22m\u001b[39m [====================>                    ]  49.8 %.3 %1 %57.6 %>                ]  59.9 % % %66.1 %>            ]  69.4 %4 %\u001b[36m\u001b[1mFetching:\u001b[22m\u001b[39m [=================================>       ]  82.5 % [===================================>     ]  85.3 %    ]  89.6 %]  99.3 %\u001b[32m\u001b[1m Resolving\u001b[22m\u001b[39m package versions...\n",
      "\u001b[32m\u001b[1m  Updating\u001b[22m\u001b[39m `C:\\Users\\ST\\.julia\\environments\\v1.2\\Project.toml`\n",
      "\u001b[90m [no changes]\u001b[39m\n",
      "\u001b[32m\u001b[1m  Updating\u001b[22m\u001b[39m `C:\\Users\\ST\\.julia\\environments\\v1.2\\Manifest.toml`\n",
      "\u001b[90m [no changes]\u001b[39m\n"
     ]
    }
   ],
   "source": [
    "using Pkg\n",
    "Pkg.add(\"Plots\")\n",
    "using Plots"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "One of the advantages to `Plots.jl` is that it allows you to seamlessly change backends. In this notebook, we'll try out the `gr()` and `plotlyjs()` backends.<br>\n",
    "\n",
    "In the name of scientific inquiry, let's use this notebook to examine the relationship between the global temperature and the number of pirates between roughly 1860 and 2000."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [],
   "source": [
    "globaltemperatures = [14.4, 14.5, 14.8, 15.2, 15.5, 15.8]\n",
    "numpirates = [45000, 20000, 15000, 5000, 400, 17];"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Plots supports multiple backends — that is, libraries that actually do the drawing — all with the same API. To start out, let's try the GR backend.  You choose it with a call to `gr()`:"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "Plots.GRBackend()"
      ]
     },
     "execution_count": 3,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "gr()"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "and now we can use commands like `plot` and `scatter` to generate plots."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "image/svg+xml": [
       "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n",
       "<svg xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\" width=\"600\" height=\"400\" viewBox=\"0 0 2400 1600\">\n",
       "<defs>\n",
       "  <clipPath id=\"clip1900\">\n",
       "    <rect x=\"0\" y=\"0\" width=\"2400\" height=\"1600\"/>\n",
       "  </clipPath>\n",
       "</defs>\n",
       "<polygon clip-path=\"url(#clip1900)\" points=\"\n",
       "0,1600 2400,1600 2400,0 0,0 \n",
       "  \" fill=\"#ffffff\" fill-rule=\"evenodd\" fill-opacity=\"1\"/>\n",
       "<defs>\n",
       "  <clipPath id=\"clip1901\">\n",
       "    <rect x=\"480\" y=\"0\" width=\"1681\" height=\"1600\"/>\n",
       "  </clipPath>\n",
       "</defs>\n",
       "<polygon clip-path=\"url(#clip1900)\" points=\"\n",
       "207.423,1487.47 2352.76,1487.47 2352.76,47.2441 207.423,47.2441 \n",
       "  \" fill=\"#ffffff\" fill-rule=\"evenodd\" fill-opacity=\"1\"/>\n",
       "<defs>\n",
       "  <clipPath id=\"clip1902\">\n",
       "    <rect x=\"207\" y=\"47\" width=\"2146\" height=\"1441\"/>\n",
       "  </clipPath>\n",
       "</defs>\n",
       "<polyline clip-path=\"url(#clip1902)\" style=\"stroke:#000000; stroke-width:2; stroke-opacity:0.1; fill:none\" points=\"\n",
       "  267.375,1487.47 267.375,47.2441 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip1902)\" style=\"stroke:#000000; stroke-width:2; stroke-opacity:0.1; fill:none\" points=\"\n",
       "  717.3,1487.47 717.3,47.2441 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip1902)\" style=\"stroke:#000000; stroke-width:2; stroke-opacity:0.1; fill:none\" points=\"\n",
       "  1167.23,1487.47 1167.23,47.2441 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip1902)\" style=\"stroke:#000000; stroke-width:2; stroke-opacity:0.1; fill:none\" points=\"\n",
       "  1617.15,1487.47 1617.15,47.2441 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip1902)\" style=\"stroke:#000000; stroke-width:2; stroke-opacity:0.1; fill:none\" points=\"\n",
       "  2067.08,1487.47 2067.08,47.2441 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip1902)\" style=\"stroke:#000000; stroke-width:2; stroke-opacity:0.1; fill:none\" points=\"\n",
       "  207.423,1349.66 2352.76,1349.66 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip1902)\" style=\"stroke:#000000; stroke-width:2; stroke-opacity:0.1; fill:none\" points=\"\n",
       "  207.423,1107.04 2352.76,1107.04 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip1902)\" style=\"stroke:#000000; stroke-width:2; stroke-opacity:0.1; fill:none\" points=\"\n",
       "  207.423,864.41 2352.76,864.41 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip1902)\" style=\"stroke:#000000; stroke-width:2; stroke-opacity:0.1; fill:none\" points=\"\n",
       "  207.423,621.784 2352.76,621.784 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip1902)\" style=\"stroke:#000000; stroke-width:2; stroke-opacity:0.1; fill:none\" points=\"\n",
       "  207.423,379.157 2352.76,379.157 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip1902)\" style=\"stroke:#000000; stroke-width:2; stroke-opacity:0.1; fill:none\" points=\"\n",
       "  207.423,136.531 2352.76,136.531 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip1900)\" style=\"stroke:#000000; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  207.423,1487.47 2352.76,1487.47 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip1900)\" style=\"stroke:#000000; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  207.423,1487.47 207.423,47.2441 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip1900)\" style=\"stroke:#000000; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  267.375,1487.47 267.375,1465.87 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip1900)\" style=\"stroke:#000000; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  717.3,1487.47 717.3,1465.87 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip1900)\" style=\"stroke:#000000; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  1167.23,1487.47 1167.23,1465.87 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip1900)\" style=\"stroke:#000000; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  1617.15,1487.47 1617.15,1465.87 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip1900)\" style=\"stroke:#000000; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  2067.08,1487.47 2067.08,1465.87 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip1900)\" style=\"stroke:#000000; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  207.423,1349.66 239.603,1349.66 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip1900)\" style=\"stroke:#000000; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  207.423,1107.04 239.603,1107.04 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip1900)\" style=\"stroke:#000000; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  207.423,864.41 239.603,864.41 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip1900)\" style=\"stroke:#000000; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  207.423,621.784 239.603,621.784 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip1900)\" style=\"stroke:#000000; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  207.423,379.157 239.603,379.157 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip1900)\" style=\"stroke:#000000; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  207.423,136.531 239.603,136.531 \n",
       "  \"/>\n",
       "<g clip-path=\"url(#clip1900)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:48px; text-anchor:middle;\" transform=\"rotate(0, 267.375, 1541.47)\" x=\"267.375\" y=\"1541.47\">0</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip1900)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:48px; text-anchor:start;\" transform=\"rotate(0, 652.229, 1562.48)\" x=\"652.229\" y=\"1562.48\">1×10</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip1900)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:38px; text-anchor:start;\" transform=\"rotate(0, 760.626, 1535.07)\" x=\"760.626\" y=\"1535.07\">4</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip1900)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:48px; text-anchor:start;\" transform=\"rotate(0, 1102.15, 1562.48)\" x=\"1102.15\" y=\"1562.48\">2×10</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip1900)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:38px; text-anchor:start;\" transform=\"rotate(0, 1210.55, 1535.07)\" x=\"1210.55\" y=\"1535.07\">4</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip1900)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:48px; text-anchor:start;\" transform=\"rotate(0, 1552.08, 1562.48)\" x=\"1552.08\" y=\"1562.48\">3×10</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip1900)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:38px; text-anchor:start;\" transform=\"rotate(0, 1660.48, 1535.07)\" x=\"1660.48\" y=\"1535.07\">4</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip1900)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:48px; text-anchor:start;\" transform=\"rotate(0, 2002.01, 1562.48)\" x=\"2002.01\" y=\"1562.48\">4×10</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip1900)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:38px; text-anchor:start;\" transform=\"rotate(0, 2110.4, 1535.07)\" x=\"2110.4\" y=\"1535.07\">4</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip1900)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:48px; text-anchor:end;\" transform=\"rotate(0, 183.423, 1367.16)\" x=\"183.423\" y=\"1367.16\">14.50</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip1900)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:48px; text-anchor:end;\" transform=\"rotate(0, 183.423, 1124.54)\" x=\"183.423\" y=\"1124.54\">14.75</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip1900)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:48px; text-anchor:end;\" transform=\"rotate(0, 183.423, 881.91)\" x=\"183.423\" y=\"881.91\">15.00</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip1900)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:48px; text-anchor:end;\" transform=\"rotate(0, 183.423, 639.284)\" x=\"183.423\" y=\"639.284\">15.25</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip1900)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:48px; text-anchor:end;\" transform=\"rotate(0, 183.423, 396.657)\" x=\"183.423\" y=\"396.657\">15.50</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip1900)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:48px; text-anchor:end;\" transform=\"rotate(0, 183.423, 154.031)\" x=\"183.423\" y=\"154.031\">15.75</text>\n",
       "</g>\n",
       "<polyline clip-path=\"url(#clip1902)\" style=\"stroke:#009af9; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  2292.04,1446.71 1167.23,1349.66 942.263,1058.51 492.337,670.309 285.372,379.157 268.14,88.0053 \n",
       "  \"/>\n",
       "<polygon clip-path=\"url(#clip1900)\" points=\"\n",
       "1965.86,251.724 2280.76,251.724 2280.76,130.764 1965.86,130.764 \n",
       "  \" fill=\"#ffffff\" fill-rule=\"evenodd\" fill-opacity=\"1\"/>\n",
       "<polyline clip-path=\"url(#clip1900)\" style=\"stroke:#000000; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  1965.86,251.724 2280.76,251.724 2280.76,130.764 1965.86,130.764 1965.86,251.724 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip1900)\" style=\"stroke:#009af9; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  1989.86,191.244 2133.86,191.244 \n",
       "  \"/>\n",
       "<g clip-path=\"url(#clip1900)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:48px; text-anchor:start;\" transform=\"rotate(0, 2157.86, 208.744)\" x=\"2157.86\" y=\"208.744\">line</text>\n",
       "</g>\n",
       "</svg>\n"
      ]
     },
     "execution_count": 4,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "plot(numpirates, globaltemperatures, label=\"line\")  "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "image/svg+xml": [
       "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n",
       "<svg xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\" width=\"600\" height=\"400\" viewBox=\"0 0 2400 1600\">\n",
       "<defs>\n",
       "  <clipPath id=\"clip2300\">\n",
       "    <rect x=\"0\" y=\"0\" width=\"2400\" height=\"1600\"/>\n",
       "  </clipPath>\n",
       "</defs>\n",
       "<polygon clip-path=\"url(#clip2300)\" points=\"\n",
       "0,1600 2400,1600 2400,0 0,0 \n",
       "  \" fill=\"#ffffff\" fill-rule=\"evenodd\" fill-opacity=\"1\"/>\n",
       "<defs>\n",
       "  <clipPath id=\"clip2301\">\n",
       "    <rect x=\"480\" y=\"0\" width=\"1681\" height=\"1600\"/>\n",
       "  </clipPath>\n",
       "</defs>\n",
       "<polygon clip-path=\"url(#clip2300)\" points=\"\n",
       "207.423,1487.47 2352.76,1487.47 2352.76,47.2441 207.423,47.2441 \n",
       "  \" fill=\"#ffffff\" fill-rule=\"evenodd\" fill-opacity=\"1\"/>\n",
       "<defs>\n",
       "  <clipPath id=\"clip2302\">\n",
       "    <rect x=\"207\" y=\"47\" width=\"2146\" height=\"1441\"/>\n",
       "  </clipPath>\n",
       "</defs>\n",
       "<polyline clip-path=\"url(#clip2302)\" style=\"stroke:#000000; stroke-width:2; stroke-opacity:0.1; fill:none\" points=\"\n",
       "  267.375,1487.47 267.375,47.2441 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip2302)\" style=\"stroke:#000000; stroke-width:2; stroke-opacity:0.1; fill:none\" points=\"\n",
       "  717.3,1487.47 717.3,47.2441 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip2302)\" style=\"stroke:#000000; stroke-width:2; stroke-opacity:0.1; fill:none\" points=\"\n",
       "  1167.23,1487.47 1167.23,47.2441 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip2302)\" style=\"stroke:#000000; stroke-width:2; stroke-opacity:0.1; fill:none\" points=\"\n",
       "  1617.15,1487.47 1617.15,47.2441 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip2302)\" style=\"stroke:#000000; stroke-width:2; stroke-opacity:0.1; fill:none\" points=\"\n",
       "  2067.08,1487.47 2067.08,47.2441 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip2302)\" style=\"stroke:#000000; stroke-width:2; stroke-opacity:0.1; fill:none\" points=\"\n",
       "  207.423,1349.66 2352.76,1349.66 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip2302)\" style=\"stroke:#000000; stroke-width:2; stroke-opacity:0.1; fill:none\" points=\"\n",
       "  207.423,1107.04 2352.76,1107.04 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip2302)\" style=\"stroke:#000000; stroke-width:2; stroke-opacity:0.1; fill:none\" points=\"\n",
       "  207.423,864.41 2352.76,864.41 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip2302)\" style=\"stroke:#000000; stroke-width:2; stroke-opacity:0.1; fill:none\" points=\"\n",
       "  207.423,621.784 2352.76,621.784 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip2302)\" style=\"stroke:#000000; stroke-width:2; stroke-opacity:0.1; fill:none\" points=\"\n",
       "  207.423,379.157 2352.76,379.157 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip2302)\" style=\"stroke:#000000; stroke-width:2; stroke-opacity:0.1; fill:none\" points=\"\n",
       "  207.423,136.531 2352.76,136.531 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip2300)\" style=\"stroke:#000000; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  207.423,1487.47 2352.76,1487.47 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip2300)\" style=\"stroke:#000000; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  207.423,1487.47 207.423,47.2441 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip2300)\" style=\"stroke:#000000; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  267.375,1487.47 267.375,1465.87 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip2300)\" style=\"stroke:#000000; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  717.3,1487.47 717.3,1465.87 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip2300)\" style=\"stroke:#000000; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  1167.23,1487.47 1167.23,1465.87 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip2300)\" style=\"stroke:#000000; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  1617.15,1487.47 1617.15,1465.87 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip2300)\" style=\"stroke:#000000; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  2067.08,1487.47 2067.08,1465.87 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip2300)\" style=\"stroke:#000000; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  207.423,1349.66 239.603,1349.66 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip2300)\" style=\"stroke:#000000; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  207.423,1107.04 239.603,1107.04 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip2300)\" style=\"stroke:#000000; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  207.423,864.41 239.603,864.41 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip2300)\" style=\"stroke:#000000; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  207.423,621.784 239.603,621.784 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip2300)\" style=\"stroke:#000000; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  207.423,379.157 239.603,379.157 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip2300)\" style=\"stroke:#000000; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  207.423,136.531 239.603,136.531 \n",
       "  \"/>\n",
       "<g clip-path=\"url(#clip2300)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:48px; text-anchor:middle;\" transform=\"rotate(0, 267.375, 1541.47)\" x=\"267.375\" y=\"1541.47\">0</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip2300)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:48px; text-anchor:start;\" transform=\"rotate(0, 652.229, 1562.48)\" x=\"652.229\" y=\"1562.48\">1×10</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip2300)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:38px; text-anchor:start;\" transform=\"rotate(0, 760.626, 1535.07)\" x=\"760.626\" y=\"1535.07\">4</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip2300)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:48px; text-anchor:start;\" transform=\"rotate(0, 1102.15, 1562.48)\" x=\"1102.15\" y=\"1562.48\">2×10</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip2300)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:38px; text-anchor:start;\" transform=\"rotate(0, 1210.55, 1535.07)\" x=\"1210.55\" y=\"1535.07\">4</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip2300)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:48px; text-anchor:start;\" transform=\"rotate(0, 1552.08, 1562.48)\" x=\"1552.08\" y=\"1562.48\">3×10</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip2300)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:38px; text-anchor:start;\" transform=\"rotate(0, 1660.48, 1535.07)\" x=\"1660.48\" y=\"1535.07\">4</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip2300)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:48px; text-anchor:start;\" transform=\"rotate(0, 2002.01, 1562.48)\" x=\"2002.01\" y=\"1562.48\">4×10</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip2300)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:38px; text-anchor:start;\" transform=\"rotate(0, 2110.4, 1535.07)\" x=\"2110.4\" y=\"1535.07\">4</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip2300)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:48px; text-anchor:end;\" transform=\"rotate(0, 183.423, 1367.16)\" x=\"183.423\" y=\"1367.16\">14.50</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip2300)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:48px; text-anchor:end;\" transform=\"rotate(0, 183.423, 1124.54)\" x=\"183.423\" y=\"1124.54\">14.75</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip2300)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:48px; text-anchor:end;\" transform=\"rotate(0, 183.423, 881.91)\" x=\"183.423\" y=\"881.91\">15.00</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip2300)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:48px; text-anchor:end;\" transform=\"rotate(0, 183.423, 639.284)\" x=\"183.423\" y=\"639.284\">15.25</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip2300)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:48px; text-anchor:end;\" transform=\"rotate(0, 183.423, 396.657)\" x=\"183.423\" y=\"396.657\">15.50</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip2300)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:48px; text-anchor:end;\" transform=\"rotate(0, 183.423, 154.031)\" x=\"183.423\" y=\"154.031\">15.75</text>\n",
       "</g>\n",
       "<polyline clip-path=\"url(#clip2302)\" style=\"stroke:#009af9; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  2292.04,1446.71 1167.23,1349.66 942.263,1058.51 492.337,670.309 285.372,379.157 268.14,88.0053 \n",
       "  \"/>\n",
       "<circle clip-path=\"url(#clip2302)\" style=\"fill:#000000; stroke:none; fill-opacity:1\" cx=\"2292.04\" cy=\"1446.71\" r=\"18\"/>\n",
       "<circle clip-path=\"url(#clip2302)\" style=\"fill:#e26f46; stroke:none; fill-opacity:1\" cx=\"2292.04\" cy=\"1446.71\" r=\"14\"/>\n",
       "<circle clip-path=\"url(#clip2302)\" style=\"fill:#000000; stroke:none; fill-opacity:1\" cx=\"1167.23\" cy=\"1349.66\" r=\"18\"/>\n",
       "<circle clip-path=\"url(#clip2302)\" style=\"fill:#e26f46; stroke:none; fill-opacity:1\" cx=\"1167.23\" cy=\"1349.66\" r=\"14\"/>\n",
       "<circle clip-path=\"url(#clip2302)\" style=\"fill:#000000; stroke:none; fill-opacity:1\" cx=\"942.263\" cy=\"1058.51\" r=\"18\"/>\n",
       "<circle clip-path=\"url(#clip2302)\" style=\"fill:#e26f46; stroke:none; fill-opacity:1\" cx=\"942.263\" cy=\"1058.51\" r=\"14\"/>\n",
       "<circle clip-path=\"url(#clip2302)\" style=\"fill:#000000; stroke:none; fill-opacity:1\" cx=\"492.337\" cy=\"670.309\" r=\"18\"/>\n",
       "<circle clip-path=\"url(#clip2302)\" style=\"fill:#e26f46; stroke:none; fill-opacity:1\" cx=\"492.337\" cy=\"670.309\" r=\"14\"/>\n",
       "<circle clip-path=\"url(#clip2302)\" style=\"fill:#000000; stroke:none; fill-opacity:1\" cx=\"285.372\" cy=\"379.157\" r=\"18\"/>\n",
       "<circle clip-path=\"url(#clip2302)\" style=\"fill:#e26f46; stroke:none; fill-opacity:1\" cx=\"285.372\" cy=\"379.157\" r=\"14\"/>\n",
       "<circle clip-path=\"url(#clip2302)\" style=\"fill:#000000; stroke:none; fill-opacity:1\" cx=\"268.14\" cy=\"88.0053\" r=\"18\"/>\n",
       "<circle clip-path=\"url(#clip2302)\" style=\"fill:#e26f46; stroke:none; fill-opacity:1\" cx=\"268.14\" cy=\"88.0053\" r=\"14\"/>\n",
       "<polygon clip-path=\"url(#clip2300)\" points=\"\n",
       "1912.34,312.204 2280.76,312.204 2280.76,130.764 1912.34,130.764 \n",
       "  \" fill=\"#ffffff\" fill-rule=\"evenodd\" fill-opacity=\"1\"/>\n",
       "<polyline clip-path=\"url(#clip2300)\" style=\"stroke:#000000; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  1912.34,312.204 2280.76,312.204 2280.76,130.764 1912.34,130.764 1912.34,312.204 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip2300)\" style=\"stroke:#009af9; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  1936.34,191.244 2080.34,191.244 \n",
       "  \"/>\n",
       "<g clip-path=\"url(#clip2300)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:48px; text-anchor:start;\" transform=\"rotate(0, 2104.34, 208.744)\" x=\"2104.34\" y=\"208.744\">line</text>\n",
       "</g>\n",
       "<circle clip-path=\"url(#clip2300)\" style=\"fill:#000000; stroke:none; fill-opacity:1\" cx=\"2020.34\" cy=\"251.724\" r=\"25\"/>\n",
       "<circle clip-path=\"url(#clip2300)\" style=\"fill:#e26f46; stroke:none; fill-opacity:1\" cx=\"2020.34\" cy=\"251.724\" r=\"21\"/>\n",
       "<g clip-path=\"url(#clip2300)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:48px; text-anchor:start;\" transform=\"rotate(0, 2104.34, 269.224)\" x=\"2104.34\" y=\"269.224\">points</text>\n",
       "</g>\n",
       "</svg>\n"
      ]
     },
     "execution_count": 5,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "scatter!(numpirates, globaltemperatures, label=\"points\") "
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "The `!` at the end of the `scatter!` function name makes `scatter!` a mutating function, indicating that the scattered points will be added onto the pre-existing plot.\n",
    "\n",
    "In contrast, see what happens when you replace `scatter!` in the above with the non-mutating function `scatter`.\n",
    "\n",
    "Next, let's update this plot with the `xlabel!`, `ylabel!`, and `title!` commands to add more information to our plot."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "image/svg+xml": [
       "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n",
       "<svg xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\" width=\"600\" height=\"400\" viewBox=\"0 0 2400 1600\">\n",
       "<defs>\n",
       "  <clipPath id=\"clip3000\">\n",
       "    <rect x=\"0\" y=\"0\" width=\"2400\" height=\"1600\"/>\n",
       "  </clipPath>\n",
       "</defs>\n",
       "<polygon clip-path=\"url(#clip3000)\" points=\"\n",
       "0,1600 2400,1600 2400,0 0,0 \n",
       "  \" fill=\"#ffffff\" fill-rule=\"evenodd\" fill-opacity=\"1\"/>\n",
       "<defs>\n",
       "  <clipPath id=\"clip3001\">\n",
       "    <rect x=\"480\" y=\"0\" width=\"1681\" height=\"1600\"/>\n",
       "  </clipPath>\n",
       "</defs>\n",
       "<polygon clip-path=\"url(#clip3000)\" points=\"\n",
       "269.279,1425.62 2352.76,1425.62 2352.76,121.675 269.279,121.675 \n",
       "  \" fill=\"#ffffff\" fill-rule=\"evenodd\" fill-opacity=\"1\"/>\n",
       "<defs>\n",
       "  <clipPath id=\"clip3002\">\n",
       "    <rect x=\"269\" y=\"121\" width=\"2084\" height=\"1305\"/>\n",
       "  </clipPath>\n",
       "</defs>\n",
       "<polyline clip-path=\"url(#clip3002)\" style=\"stroke:#000000; stroke-width:2; stroke-opacity:0.1; fill:none\" points=\"\n",
       "  327.502,1425.62 327.502,121.675 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip3002)\" style=\"stroke:#000000; stroke-width:2; stroke-opacity:0.1; fill:none\" points=\"\n",
       "  764.455,1425.62 764.455,121.675 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip3002)\" style=\"stroke:#000000; stroke-width:2; stroke-opacity:0.1; fill:none\" points=\"\n",
       "  1201.41,1425.62 1201.41,121.675 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip3002)\" style=\"stroke:#000000; stroke-width:2; stroke-opacity:0.1; fill:none\" points=\"\n",
       "  1638.36,1425.62 1638.36,121.675 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip3002)\" style=\"stroke:#000000; stroke-width:2; stroke-opacity:0.1; fill:none\" points=\"\n",
       "  2075.31,1425.62 2075.31,121.675 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip3002)\" style=\"stroke:#000000; stroke-width:2; stroke-opacity:0.1; fill:none\" points=\"\n",
       "  269.279,1300.85 2352.76,1300.85 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip3002)\" style=\"stroke:#000000; stroke-width:2; stroke-opacity:0.1; fill:none\" points=\"\n",
       "  269.279,1081.18 2352.76,1081.18 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip3002)\" style=\"stroke:#000000; stroke-width:2; stroke-opacity:0.1; fill:none\" points=\"\n",
       "  269.279,861.514 2352.76,861.514 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip3002)\" style=\"stroke:#000000; stroke-width:2; stroke-opacity:0.1; fill:none\" points=\"\n",
       "  269.279,641.847 2352.76,641.847 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip3002)\" style=\"stroke:#000000; stroke-width:2; stroke-opacity:0.1; fill:none\" points=\"\n",
       "  269.279,422.18 2352.76,422.18 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip3002)\" style=\"stroke:#000000; stroke-width:2; stroke-opacity:0.1; fill:none\" points=\"\n",
       "  269.279,202.513 2352.76,202.513 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip3000)\" style=\"stroke:#000000; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  269.279,1425.62 2352.76,1425.62 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip3000)\" style=\"stroke:#000000; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  269.279,1425.62 269.279,121.675 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip3000)\" style=\"stroke:#000000; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  327.502,1425.62 327.502,1406.06 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip3000)\" style=\"stroke:#000000; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  764.455,1425.62 764.455,1406.06 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip3000)\" style=\"stroke:#000000; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  1201.41,1425.62 1201.41,1406.06 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip3000)\" style=\"stroke:#000000; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  1638.36,1425.62 1638.36,1406.06 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip3000)\" style=\"stroke:#000000; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  2075.31,1425.62 2075.31,1406.06 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip3000)\" style=\"stroke:#000000; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  269.279,1300.85 300.531,1300.85 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip3000)\" style=\"stroke:#000000; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  269.279,1081.18 300.531,1081.18 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip3000)\" style=\"stroke:#000000; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  269.279,861.514 300.531,861.514 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip3000)\" style=\"stroke:#000000; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  269.279,641.847 300.531,641.847 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip3000)\" style=\"stroke:#000000; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  269.279,422.18 300.531,422.18 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip3000)\" style=\"stroke:#000000; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  269.279,202.513 300.531,202.513 \n",
       "  \"/>\n",
       "<g clip-path=\"url(#clip3000)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:48px; text-anchor:middle;\" transform=\"rotate(0, 327.502, 1479.62)\" x=\"327.502\" y=\"1479.62\">0</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip3000)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:48px; text-anchor:start;\" transform=\"rotate(0, 699.384, 1500.63)\" x=\"699.384\" y=\"1500.63\">1×10</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip3000)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:38px; text-anchor:start;\" transform=\"rotate(0, 807.781, 1473.22)\" x=\"807.781\" y=\"1473.22\">4</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip3000)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:48px; text-anchor:start;\" transform=\"rotate(0, 1136.34, 1500.63)\" x=\"1136.34\" y=\"1500.63\">2×10</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip3000)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:38px; text-anchor:start;\" transform=\"rotate(0, 1244.73, 1473.22)\" x=\"1244.73\" y=\"1473.22\">4</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip3000)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:48px; text-anchor:start;\" transform=\"rotate(0, 1573.29, 1500.63)\" x=\"1573.29\" y=\"1500.63\">3×10</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip3000)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:38px; text-anchor:start;\" transform=\"rotate(0, 1681.69, 1473.22)\" x=\"1681.69\" y=\"1473.22\">4</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip3000)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:48px; text-anchor:start;\" transform=\"rotate(0, 2010.24, 1500.63)\" x=\"2010.24\" y=\"1500.63\">4×10</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip3000)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:38px; text-anchor:start;\" transform=\"rotate(0, 2118.64, 1473.22)\" x=\"2118.64\" y=\"1473.22\">4</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip3000)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:48px; text-anchor:end;\" transform=\"rotate(0, 245.279, 1318.35)\" x=\"245.279\" y=\"1318.35\">14.50</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip3000)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:48px; text-anchor:end;\" transform=\"rotate(0, 245.279, 1098.68)\" x=\"245.279\" y=\"1098.68\">14.75</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip3000)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:48px; text-anchor:end;\" transform=\"rotate(0, 245.279, 879.014)\" x=\"245.279\" y=\"879.014\">15.00</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip3000)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:48px; text-anchor:end;\" transform=\"rotate(0, 245.279, 659.347)\" x=\"245.279\" y=\"659.347\">15.25</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip3000)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:48px; text-anchor:end;\" transform=\"rotate(0, 245.279, 439.68)\" x=\"245.279\" y=\"439.68\">15.50</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip3000)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:48px; text-anchor:end;\" transform=\"rotate(0, 245.279, 220.013)\" x=\"245.279\" y=\"220.013\">15.75</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip3000)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:84px; text-anchor:middle;\" transform=\"rotate(0, 1311.02, 73.2)\" x=\"1311.02\" y=\"73.2\">Influence of pirate population on global warming</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip3000)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:66px; text-anchor:middle;\" transform=\"rotate(0, 1311.02, 1559.48)\" x=\"1311.02\" y=\"1559.48\">Number of Pirates [Approximate]</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip3000)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:66px; text-anchor:middle;\" transform=\"rotate(-90, 89.2861, 773.647)\" x=\"89.2861\" y=\"773.647\">Global Temperature (C)</text>\n",
       "</g>\n",
       "<polyline clip-path=\"url(#clip3002)\" style=\"stroke:#009af9; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  2293.79,1388.71 1201.41,1300.85 982.931,1037.25 545.979,685.78 344.98,422.18 328.245,158.579 \n",
       "  \"/>\n",
       "<circle clip-path=\"url(#clip3002)\" style=\"fill:#000000; stroke:none; fill-opacity:1\" cx=\"2293.79\" cy=\"1388.71\" r=\"18\"/>\n",
       "<circle clip-path=\"url(#clip3002)\" style=\"fill:#e26f46; stroke:none; fill-opacity:1\" cx=\"2293.79\" cy=\"1388.71\" r=\"14\"/>\n",
       "<circle clip-path=\"url(#clip3002)\" style=\"fill:#000000; stroke:none; fill-opacity:1\" cx=\"1201.41\" cy=\"1300.85\" r=\"18\"/>\n",
       "<circle clip-path=\"url(#clip3002)\" style=\"fill:#e26f46; stroke:none; fill-opacity:1\" cx=\"1201.41\" cy=\"1300.85\" r=\"14\"/>\n",
       "<circle clip-path=\"url(#clip3002)\" style=\"fill:#000000; stroke:none; fill-opacity:1\" cx=\"982.931\" cy=\"1037.25\" r=\"18\"/>\n",
       "<circle clip-path=\"url(#clip3002)\" style=\"fill:#e26f46; stroke:none; fill-opacity:1\" cx=\"982.931\" cy=\"1037.25\" r=\"14\"/>\n",
       "<circle clip-path=\"url(#clip3002)\" style=\"fill:#000000; stroke:none; fill-opacity:1\" cx=\"545.979\" cy=\"685.78\" r=\"18\"/>\n",
       "<circle clip-path=\"url(#clip3002)\" style=\"fill:#e26f46; stroke:none; fill-opacity:1\" cx=\"545.979\" cy=\"685.78\" r=\"14\"/>\n",
       "<circle clip-path=\"url(#clip3002)\" style=\"fill:#000000; stroke:none; fill-opacity:1\" cx=\"344.98\" cy=\"422.18\" r=\"18\"/>\n",
       "<circle clip-path=\"url(#clip3002)\" style=\"fill:#e26f46; stroke:none; fill-opacity:1\" cx=\"344.98\" cy=\"422.18\" r=\"14\"/>\n",
       "<circle clip-path=\"url(#clip3002)\" style=\"fill:#000000; stroke:none; fill-opacity:1\" cx=\"328.245\" cy=\"158.579\" r=\"18\"/>\n",
       "<circle clip-path=\"url(#clip3002)\" style=\"fill:#e26f46; stroke:none; fill-opacity:1\" cx=\"328.245\" cy=\"158.579\" r=\"14\"/>\n",
       "<polygon clip-path=\"url(#clip3000)\" points=\"\n",
       "1912.34,386.635 2280.76,386.635 2280.76,205.195 1912.34,205.195 \n",
       "  \" fill=\"#ffffff\" fill-rule=\"evenodd\" fill-opacity=\"1\"/>\n",
       "<polyline clip-path=\"url(#clip3000)\" style=\"stroke:#000000; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  1912.34,386.635 2280.76,386.635 2280.76,205.195 1912.34,205.195 1912.34,386.635 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip3000)\" style=\"stroke:#009af9; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  1936.34,265.675 2080.34,265.675 \n",
       "  \"/>\n",
       "<g clip-path=\"url(#clip3000)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:48px; text-anchor:start;\" transform=\"rotate(0, 2104.34, 283.175)\" x=\"2104.34\" y=\"283.175\">line</text>\n",
       "</g>\n",
       "<circle clip-path=\"url(#clip3000)\" style=\"fill:#000000; stroke:none; fill-opacity:1\" cx=\"2020.34\" cy=\"326.155\" r=\"25\"/>\n",
       "<circle clip-path=\"url(#clip3000)\" style=\"fill:#e26f46; stroke:none; fill-opacity:1\" cx=\"2020.34\" cy=\"326.155\" r=\"21\"/>\n",
       "<g clip-path=\"url(#clip3000)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:48px; text-anchor:start;\" transform=\"rotate(0, 2104.34, 343.655)\" x=\"2104.34\" y=\"343.655\">points</text>\n",
       "</g>\n",
       "</svg>\n"
      ]
     },
     "execution_count": 5,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "xlabel!(\"Number of Pirates [Approximate]\")\n",
    "ylabel!(\"Global Temperature (C)\")\n",
    "title!(\"Influence of pirate population on global warming\")"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "This still doesn't look quite right. The number of pirates has decreased since 1860, so reading the plot from left to right is like looking backwards in time rather than forwards. Let's flip the x axis to better see how pirate populations have caused global temperatures to change over time!"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "image/svg+xml": [
       "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n",
       "<svg xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\" width=\"600\" height=\"400\" viewBox=\"0 0 2400 1600\">\n",
       "<defs>\n",
       "  <clipPath id=\"clip3400\">\n",
       "    <rect x=\"0\" y=\"0\" width=\"2400\" height=\"1600\"/>\n",
       "  </clipPath>\n",
       "</defs>\n",
       "<polygon clip-path=\"url(#clip3400)\" points=\"\n",
       "0,1600 2400,1600 2400,0 0,0 \n",
       "  \" fill=\"#ffffff\" fill-rule=\"evenodd\" fill-opacity=\"1\"/>\n",
       "<defs>\n",
       "  <clipPath id=\"clip3401\">\n",
       "    <rect x=\"480\" y=\"0\" width=\"1681\" height=\"1600\"/>\n",
       "  </clipPath>\n",
       "</defs>\n",
       "<polygon clip-path=\"url(#clip3400)\" points=\"\n",
       "269.279,1425.62 2352.76,1425.62 2352.76,121.675 269.279,121.675 \n",
       "  \" fill=\"#ffffff\" fill-rule=\"evenodd\" fill-opacity=\"1\"/>\n",
       "<defs>\n",
       "  <clipPath id=\"clip3402\">\n",
       "    <rect x=\"269\" y=\"121\" width=\"2084\" height=\"1305\"/>\n",
       "  </clipPath>\n",
       "</defs>\n",
       "<polyline clip-path=\"url(#clip3402)\" style=\"stroke:#000000; stroke-width:2; stroke-opacity:0.1; fill:none\" points=\"\n",
       "  2294.53,1425.62 2294.53,121.675 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip3402)\" style=\"stroke:#000000; stroke-width:2; stroke-opacity:0.1; fill:none\" points=\"\n",
       "  1857.58,1425.62 1857.58,121.675 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip3402)\" style=\"stroke:#000000; stroke-width:2; stroke-opacity:0.1; fill:none\" points=\"\n",
       "  1420.63,1425.62 1420.63,121.675 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip3402)\" style=\"stroke:#000000; stroke-width:2; stroke-opacity:0.1; fill:none\" points=\"\n",
       "  983.674,1425.62 983.674,121.675 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip3402)\" style=\"stroke:#000000; stroke-width:2; stroke-opacity:0.1; fill:none\" points=\"\n",
       "  546.721,1425.62 546.721,121.675 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip3402)\" style=\"stroke:#000000; stroke-width:2; stroke-opacity:0.1; fill:none\" points=\"\n",
       "  2352.76,1300.85 269.279,1300.85 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip3402)\" style=\"stroke:#000000; stroke-width:2; stroke-opacity:0.1; fill:none\" points=\"\n",
       "  2352.76,1081.18 269.279,1081.18 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip3402)\" style=\"stroke:#000000; stroke-width:2; stroke-opacity:0.1; fill:none\" points=\"\n",
       "  2352.76,861.514 269.279,861.514 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip3402)\" style=\"stroke:#000000; stroke-width:2; stroke-opacity:0.1; fill:none\" points=\"\n",
       "  2352.76,641.847 269.279,641.847 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip3402)\" style=\"stroke:#000000; stroke-width:2; stroke-opacity:0.1; fill:none\" points=\"\n",
       "  2352.76,422.18 269.279,422.18 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip3402)\" style=\"stroke:#000000; stroke-width:2; stroke-opacity:0.1; fill:none\" points=\"\n",
       "  2352.76,202.513 269.279,202.513 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip3400)\" style=\"stroke:#000000; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  2352.76,1425.62 269.279,1425.62 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip3400)\" style=\"stroke:#000000; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  269.279,1425.62 269.279,121.675 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip3400)\" style=\"stroke:#000000; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  2294.53,1425.62 2294.53,1406.06 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip3400)\" style=\"stroke:#000000; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  1857.58,1425.62 1857.58,1406.06 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip3400)\" style=\"stroke:#000000; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  1420.63,1425.62 1420.63,1406.06 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip3400)\" style=\"stroke:#000000; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  983.674,1425.62 983.674,1406.06 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip3400)\" style=\"stroke:#000000; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  546.721,1425.62 546.721,1406.06 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip3400)\" style=\"stroke:#000000; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  269.279,1300.85 300.531,1300.85 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip3400)\" style=\"stroke:#000000; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  269.279,1081.18 300.531,1081.18 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip3400)\" style=\"stroke:#000000; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  269.279,861.514 300.531,861.514 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip3400)\" style=\"stroke:#000000; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  269.279,641.847 300.531,641.847 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip3400)\" style=\"stroke:#000000; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  269.279,422.18 300.531,422.18 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip3400)\" style=\"stroke:#000000; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  269.279,202.513 300.531,202.513 \n",
       "  \"/>\n",
       "<g clip-path=\"url(#clip3400)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:48px; text-anchor:middle;\" transform=\"rotate(0, 2294.53, 1479.62)\" x=\"2294.53\" y=\"1479.62\">0</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip3400)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:48px; text-anchor:start;\" transform=\"rotate(0, 1792.51, 1500.63)\" x=\"1792.51\" y=\"1500.63\">1×10</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip3400)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:38px; text-anchor:start;\" transform=\"rotate(0, 1900.91, 1473.22)\" x=\"1900.91\" y=\"1473.22\">4</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip3400)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:48px; text-anchor:start;\" transform=\"rotate(0, 1355.56, 1500.63)\" x=\"1355.56\" y=\"1500.63\">2×10</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip3400)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:38px; text-anchor:start;\" transform=\"rotate(0, 1463.95, 1473.22)\" x=\"1463.95\" y=\"1473.22\">4</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip3400)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:48px; text-anchor:start;\" transform=\"rotate(0, 918.603, 1500.63)\" x=\"918.603\" y=\"1500.63\">3×10</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip3400)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:38px; text-anchor:start;\" transform=\"rotate(0, 1027, 1473.22)\" x=\"1027\" y=\"1473.22\">4</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip3400)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:48px; text-anchor:start;\" transform=\"rotate(0, 481.651, 1500.63)\" x=\"481.651\" y=\"1500.63\">4×10</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip3400)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:38px; text-anchor:start;\" transform=\"rotate(0, 590.048, 1473.22)\" x=\"590.048\" y=\"1473.22\">4</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip3400)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:48px; text-anchor:end;\" transform=\"rotate(0, 245.279, 1318.35)\" x=\"245.279\" y=\"1318.35\">14.50</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip3400)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:48px; text-anchor:end;\" transform=\"rotate(0, 245.279, 1098.68)\" x=\"245.279\" y=\"1098.68\">14.75</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip3400)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:48px; text-anchor:end;\" transform=\"rotate(0, 245.279, 879.014)\" x=\"245.279\" y=\"879.014\">15.00</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip3400)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:48px; text-anchor:end;\" transform=\"rotate(0, 245.279, 659.347)\" x=\"245.279\" y=\"659.347\">15.25</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip3400)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:48px; text-anchor:end;\" transform=\"rotate(0, 245.279, 439.68)\" x=\"245.279\" y=\"439.68\">15.50</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip3400)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:48px; text-anchor:end;\" transform=\"rotate(0, 245.279, 220.013)\" x=\"245.279\" y=\"220.013\">15.75</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip3400)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:84px; text-anchor:middle;\" transform=\"rotate(0, 1311.02, 73.2)\" x=\"1311.02\" y=\"73.2\">Influence of pirate population on global warming</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip3400)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:66px; text-anchor:middle;\" transform=\"rotate(0, 1311.02, 1559.48)\" x=\"1311.02\" y=\"1559.48\">Number of Pirates [Approximate]</text>\n",
       "</g>\n",
       "<g clip-path=\"url(#clip3400)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:66px; text-anchor:middle;\" transform=\"rotate(-90, 89.2861, 773.647)\" x=\"89.2861\" y=\"773.647\">Global Temperature (C)</text>\n",
       "</g>\n",
       "<polyline clip-path=\"url(#clip3402)\" style=\"stroke:#009af9; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  328.245,1388.71 1420.63,1300.85 1639.1,1037.25 2076.06,685.78 2277.05,422.18 2293.79,158.579 \n",
       "  \"/>\n",
       "<circle clip-path=\"url(#clip3402)\" style=\"fill:#000000; stroke:none; fill-opacity:1\" cx=\"328.245\" cy=\"1388.71\" r=\"18\"/>\n",
       "<circle clip-path=\"url(#clip3402)\" style=\"fill:#e26f46; stroke:none; fill-opacity:1\" cx=\"328.245\" cy=\"1388.71\" r=\"14\"/>\n",
       "<circle clip-path=\"url(#clip3402)\" style=\"fill:#000000; stroke:none; fill-opacity:1\" cx=\"1420.63\" cy=\"1300.85\" r=\"18\"/>\n",
       "<circle clip-path=\"url(#clip3402)\" style=\"fill:#e26f46; stroke:none; fill-opacity:1\" cx=\"1420.63\" cy=\"1300.85\" r=\"14\"/>\n",
       "<circle clip-path=\"url(#clip3402)\" style=\"fill:#000000; stroke:none; fill-opacity:1\" cx=\"1639.1\" cy=\"1037.25\" r=\"18\"/>\n",
       "<circle clip-path=\"url(#clip3402)\" style=\"fill:#e26f46; stroke:none; fill-opacity:1\" cx=\"1639.1\" cy=\"1037.25\" r=\"14\"/>\n",
       "<circle clip-path=\"url(#clip3402)\" style=\"fill:#000000; stroke:none; fill-opacity:1\" cx=\"2076.06\" cy=\"685.78\" r=\"18\"/>\n",
       "<circle clip-path=\"url(#clip3402)\" style=\"fill:#e26f46; stroke:none; fill-opacity:1\" cx=\"2076.06\" cy=\"685.78\" r=\"14\"/>\n",
       "<circle clip-path=\"url(#clip3402)\" style=\"fill:#000000; stroke:none; fill-opacity:1\" cx=\"2277.05\" cy=\"422.18\" r=\"18\"/>\n",
       "<circle clip-path=\"url(#clip3402)\" style=\"fill:#e26f46; stroke:none; fill-opacity:1\" cx=\"2277.05\" cy=\"422.18\" r=\"14\"/>\n",
       "<circle clip-path=\"url(#clip3402)\" style=\"fill:#000000; stroke:none; fill-opacity:1\" cx=\"2293.79\" cy=\"158.579\" r=\"18\"/>\n",
       "<circle clip-path=\"url(#clip3402)\" style=\"fill:#e26f46; stroke:none; fill-opacity:1\" cx=\"2293.79\" cy=\"158.579\" r=\"14\"/>\n",
       "<polygon clip-path=\"url(#clip3400)\" points=\"\n",
       "1912.34,386.635 2280.76,386.635 2280.76,205.195 1912.34,205.195 \n",
       "  \" fill=\"#ffffff\" fill-rule=\"evenodd\" fill-opacity=\"1\"/>\n",
       "<polyline clip-path=\"url(#clip3400)\" style=\"stroke:#000000; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  1912.34,386.635 2280.76,386.635 2280.76,205.195 1912.34,205.195 1912.34,386.635 \n",
       "  \"/>\n",
       "<polyline clip-path=\"url(#clip3400)\" style=\"stroke:#009af9; stroke-width:4; stroke-opacity:1; fill:none\" points=\"\n",
       "  1936.34,265.675 2080.34,265.675 \n",
       "  \"/>\n",
       "<g clip-path=\"url(#clip3400)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:48px; text-anchor:start;\" transform=\"rotate(0, 2104.34, 283.175)\" x=\"2104.34\" y=\"283.175\">line</text>\n",
       "</g>\n",
       "<circle clip-path=\"url(#clip3400)\" style=\"fill:#000000; stroke:none; fill-opacity:1\" cx=\"2020.34\" cy=\"326.155\" r=\"25\"/>\n",
       "<circle clip-path=\"url(#clip3400)\" style=\"fill:#e26f46; stroke:none; fill-opacity:1\" cx=\"2020.34\" cy=\"326.155\" r=\"21\"/>\n",
       "<g clip-path=\"url(#clip3400)\">\n",
       "<text style=\"fill:#000000; fill-opacity:1; font-family:Arial,Helvetica Neue,Helvetica,sans-serif; font-size:48px; text-anchor:start;\" transform=\"rotate(0, 2104.34, 343.655)\" x=\"2104.34\" y=\"343.655\">points</text>\n",
       "</g>\n",
       "</svg>\n"
      ]
     },
     "execution_count": 6,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "xflip!()"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "And there we have it!\n",
    "\n",
    "Note: We've had some confusion about this exercise. :) This is a joke about how people often conflate correlation and causation.\n",
    "\n",
    "**Without changing syntax, we can create this plot with the UnicodePlots backend**"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "\u001b[32m\u001b[1m Resolving\u001b[22m\u001b[39m package versions...\n",
      "\u001b[32m\u001b[1m Installed\u001b[22m\u001b[39m UnicodePlots ─ v1.1.0\n",
      "\u001b[32m\u001b[1m  Updating\u001b[22m\u001b[39m `C:\\Users\\ST\\.julia\\environments\\v1.2\\Project.toml`\n",
      " \u001b[90m [b8865327]\u001b[39m\u001b[92m + UnicodePlots v1.1.0\u001b[39m\n",
      "\u001b[32m\u001b[1m  Updating\u001b[22m\u001b[39m `C:\\Users\\ST\\.julia\\environments\\v1.2\\Manifest.toml`\n",
      " \u001b[90m [b8865327]\u001b[39m\u001b[92m + UnicodePlots v1.1.0\u001b[39m\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "┌ Info: Precompiling UnicodePlots [b8865327-cd53-5732-bb35-84acbb429228]\n",
      "└ @ Base loading.jl:1242\n"
     ]
    },
    {
     "data": {
      "text/plain": [
       "Plots.UnicodePlotsBackend()"
      ]
     },
     "execution_count": 7,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "using Pkg\n",
    "Pkg.add(\"UnicodePlots\")\n",
    "unicodeplots()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "                                       Influence of pirate population on global warming\n",
       "                                 +------------------------------------------------------------+       \n",
       "                          15.842 | |                                                          | line  \n",
       "                                 | |                                                          | points\n",
       "                                 | |                                                          |       \n",
       "                                 | ||                                                         |       \n",
       "                                 | ||                                                         |       \n",
       "                                 | |\".                                                        |       \n",
       "                                 | |  \\.                                                      |       \n",
       "                                 | |   '.                                                     |       \n",
       "                                 | |     `.                                                   |       \n",
       "   Global Temperature (C)        | |      \"\\.                                                 |       \n",
       "                                 | |         \"..                                              |       \n",
       "                                 | |           '`.                                            |       \n",
       "                                 | |             \"\\.                                          |       \n",
       "                                 | |                \"..                                       |       \n",
       "                                 | |                  '.                                      |       \n",
       "                                 | |                    \\.                                    |       \n",
       "                                 | |                     \".                                   |       \n",
       "                                 | |                       \\.                                 |       \n",
       "                                 | |                        \"\"\"\"\"\"`-------._______            |       \n",
       "                          14.358 | |                                              \"\"\"\"\"\"\"\\--/ |       \n",
       "                                 +------------------------------------------------------------+       \n",
       "                                 -1332.49                                              46349.49\n",
       "                                                Number of Pirates [Approximate]"
      ]
     },
     "execution_count": 8,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "plot(numpirates, globaltemperatures, label=\"line\")  \n",
    "scatter!(numpirates, globaltemperatures, label=\"points\") \n",
    "xlabel!(\"Number of Pirates [Approximate]\")\n",
    "ylabel!(\"Global Temperature (C)\")\n",
    "title!(\"Influence of pirate population on global warming\")"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "collapsed": true
   },
   "source": [
    "And notice how this second plot differs from the first!  Using text like this is a little silly in a Jupyter notebook where we have fancy drawing capabilities, but it can be very useful for quick and dirty visualization in a terminal."
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "collapsed": true
   },
   "source": [
    "### Exercises\n",
    "\n",
    "#### 8.1 \n",
    "Given\n",
    "```julia\n",
    "x = -10:10\n",
    "```\n",
    "plot y vs. x for $y = x^2$.  You may want to change backends back again."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "#### 8.2 \n",
    "Execute the following code"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "metadata": {},
   "outputs": [
    {
     "ename": "UndefVarError",
     "evalue": "UndefVarError: x not defined",
     "output_type": "error",
     "traceback": [
      "UndefVarError: x not defined",
      "",
      "Stacktrace:",
      " [1] top-level scope at In[9]:1"
     ]
    }
   ],
   "source": [
    "p1 = plot(x, x)\n",
    "p2 = plot(x, x.^2)\n",
    "p3 = plot(x, x.^3)\n",
    "p4 = plot(x, x.^4)\n",
    "plot(p1, p2, p3, p4, layout = (2, 2), legend = false)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "and then create a $4x1$ plot that uses `p1`, `p2`, `p3`, and `p4` as subplots."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
 ],
 "metadata": {
  "anaconda-cloud": {},
  "kernelspec": {
   "display_name": "Julia 1.4.0",
   "language": "julia",
   "name": "julia-1.4"
  },
  "language_info": {
   "file_extension": ".jl",
   "mimetype": "application/julia",
   "name": "julia",
   "version": "1.4.0"
  },
  "toc": {
   "nav_menu": {
    "height": "66px",
    "width": "252px"
   },
   "navigate_menu": true,
   "number_sections": true,
   "sideBar": true,
   "threshold": "2",
   "toc_cell": false,
   "toc_section_display": "block",
   "toc_window_display": false
  }
 },
 "nbformat": 4,
 "nbformat_minor": 2
}