What is R

• Software environment for statistical computing and graphics
• Runs on multiple platforms (Linux Mac, Windows)
• Download R: http://www.r-project.org/
• Download R Studio: https://www.rstudio.com/

Common situation

• Hours preparing data by-hand
• You calculated your means for each subject in each condition, with error bars
• You even found that error where you calculated the mean from the wrong column
• Your spreadsheet is awesome

Advisor: “I think we should exclude xyz trial type” -or- “for our next meeting, we need to see this condition broken down”