• Programming language
• Statistics and data analysis environment

Setup

• Does everyone have R and RStudio installed?
• Open RStudio, check to see if console sees R

RStudio

• IDE - Integrated Development Environment
  • Text editor, with highlighting and information about problems with code
  • Interpreter
  • Project management
• Working directly in interpreter
• Writing code and running it from the editor

• Clearing the global environment

• Information in Environment/History
• Integrated help (start typing, F1 for more info)

Projects

• Who here uses setwd()?
• Start a new project
• Create a data subdirectory
• Add an example csv file
• Load it

Project structure

• Two common structures
• src in top-level directory with subdirectories for data, results, etc (possibly with subdirectories of their own)
• src in a separate subdirectory

Assignments

• Output using cat("1: ", answer) or cat("1.1: ", answer)
• Comment before each problem: #Problem 1