rprogramming.md

R programming

Reading materials

R programming for data science, Roger Peng R for data science, Hadley Wickham

Introducing R

• Software demo R, Rstudio, Rstudio cloud
  • Cool example 1. Shiny apps gallery
  • Cool example 2. Plotly grahics in R
  • Cool example 3. MRICloud output Get some data here
• Discussion: installing R on Mac/windows/linux; Rtools on windows, bash on windows
• Demo: running R server
• Demo: Rstudio cloud
• A history of R
• Coding standards for R
• Data types in R
• str
• Software demo data types in R, operators in R

R programming

• Control structures in R
• Scoping
• Functions
• Subsetting
• Vectorizing
• Debugging

Getting data and manipulating data in R in the tidyverse

• Data rectangling

• Tidy data

• Tibbles

• Data import

• Data export

• dplyr

• Pipes

• Merging data

• Web scraping with Rvest

• Example dplyr on MRICloud data