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report1.js
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define(["text!./report.css", "jquery", "http://d3js.org/d3.v4.min.js"], function(rCSS, $, d3) {
'use strict';
//d3 variables
var svg = '';
var width = '',
height = '',
radius = '',
arc = '';
function Form() {
};
Form.prototype.initialize = function(oControlHost, fnDoneInitializing) {
fnDoneInitializing();
}
Form.prototype.draw = function(oControlHost) {
var pageContainer = oControlHost.container;
var html = '<style>' + rCSS + '</style>'
html += '<br/>'+
'<h1>Real Time Prediction of Customer Churn using Watson Machine Learning(WML) </h1>' +
'<div class="left">' +
'<fieldset>' +
'<legend>Input for WML Model</legend>' +
'<label>Gender</label>' +
'<input type="radio" name="gender" value="Male" checked> Male' +
'<input type="radio" name="gender" value="Female"> Female<br><br>' +
'<label>Senior Citizen</label>' +
'<input type="radio" name="senior_citizen" value="1" checked> Yes' +
'<input type="radio" name="senior_citizen" value="0"> No<br><br>' +
'<label>Dependents</label>' +
'<input type="radio" name="dependents" value="Yes" checked> Yes' +
'<input type="radio" name="dependents" value="No"> No<br><br>' +
'<label>Internet Service</label>' +
'<select id="internet_service">' +
'<option value="DSL">DSL</option>' +
'<option value="Fiber optic">Fiber Optic</option>' +
'<option value="No">None</option>'+
'</select> <br><br>'+
'<label>Contract</label>' +
'<select id="contract">' +
'<option value="One year">One year</option>' +
'<option value="Two year">Two year</option>' +
'<option value="Month-to-month">Month-to-month</option>'+
'</select> <br><br>'+
'<label>Tenure</label>' +
'<input type="text" class="textbox" id="tenure" placeholder="# of months"><br><br>' +
'<label>Monthly Charges ($)</label>' +
'<input type="text" class="textbox" id="monthly_charge"><br><br><br/>' +
'<input type="submit" class="submit" value="Submit" id="submit"><br/>' +
'<br/>'+
'</fieldset>' +
'</div>'+
'<div class="right">' +
'<fieldset>' +
'<legend>Response from WML</legend>' +
'<label>Confidence Score (%)</label>' +
'<input type="text" class="textbox" id="score"><br/><br/>' +
'<label>Churn</label>' +
'<input type="text" class="textbox" id="churn"><br/><br/>' +
'<br/>'+
'<div id="chart">' +
'</div>'+
'</fieldset>' +
'</div> ';
pageContainer.innerHTML = html;
pageContainer.querySelector("*[class*='submit']").onclick = this.f_onSubmitClick.bind(this, oControlHost);
}
Form.prototype.f_onSubmitClick = function(oControlHost) {
$(".right").hide();
$("#chart").empty();
var inputData = {
"gender": $("input[name=gender]:checked").val(),
"senior_citizen": $("input[name=senior_citizen]:checked").val(),
"dependents": $("input[name=dependents]:checked").val(),
"tenure": $("#tenure").val(),
"internet_service": $("#internet_service").val(),
"contract": $("#contract").val(),
"monthly_charge": $("#monthly_charge").val()
};
alert("Invoking WML Model...");
$.post("http://wml-api-node-app.mybluemix.net/predictScore", inputData, function(data) {
var predictedOutput = data[13];
$(".right").show();
$("#score").val(Math.round(Number(predictedOutput[0]*100)));
if (data[14] == 0) {
$("#churn").val("No");
} else {
$("#churn").val("Yes");
}
var chartData = [{response: "retain", prediction: Math.round(Number(predictedOutput[0]*100))}, {response: "churn", prediction: Math.round(Number(predictedOutput[1]*100))}];
drawD3PieChart(chartData);
});
};
function drawD3PieChart (chartData) {
width = 200;
height = 200;
svg = d3.select("#chart").append("svg")
.attr("width",200)
.attr("height",200);
radius = 100;
var g = svg.append("g").attr("transform", "translate(" + width / 2 + "," + height / 2 + ")");
//var color = d3.scaleOrdinal(d3.schemeCategory20c);
//var color = ["green", "red"];
var color = ["2A7ED2", "BF99AB"];
var pie = d3.pie()
.sort(null)
.value(function(d) { return d.prediction; });
var path = d3.arc()
.outerRadius(radius - 10)
.innerRadius(0);
var label = d3.arc()
.outerRadius(radius - 40)
.innerRadius(radius - 40);
var arc = g.selectAll(".arc")
.data(pie(chartData))
.enter().append("g")
.attr("class", "arc");
arc.append("path")
.attr("d", path)
.style("fill", function(d,i) { //return color(chartData[i].response);
if (chartData[i].response == "retain")
return color[0];
else
return color[1];
});
arc.append("text")
.attr("transform", function(d) { return "translate(" + label.centroid(d) + ")"; })
.attr("dy", "0.35em")
.text(function(d,i) { return (chartData[i].prediction+"%"); });
// var legend = g.selectAll(".legend")
// .data(pie(chartData))
// .enter().append("g")
// .attr("class", "legend")
// .attr("transform", function(d,i){
// return "translate(" + (width - 110) + "," + (i * 15 + 20) + ")"; // place each legend on the right and bump each one down 15 pixels
// });
// legend.append("rect") // make a matching color rect
// .attr("width", 10)
// .attr("height", 10)
// .attr("fill", function(d, i) {
// //return colour[i];
// if (chartData[i].response == "retain")
// return color[0];
// else
// return color[1];
// });
// legend.append("text") // add the text
// .text(function(d,i){
// return chartData[i].response;
// })
// .style("font-size", 12)
// .attr("y", 10)
// .attr("x", 11);
};
return Form;
})