Reed College
Reed College

Data @ Reed

R Workshop Schedule: Spring 2025

Workshops are Mondays at 5:30-6:30 in ETC 208. Email data@reed.edu with any questions.

Schedule is tentative and subject to change based on participant needs.

Feb 3: Welcome & Basics

Link to Workshop 1

  • Downloading R/RStudio & Reed Server R
  • Overview of the RStudio interface
  • Intro to coding syntax

Feb 10: Understanding Data

Link to Workshop 2

  • Working directories and project files
  • Loading data from a file
  • Creating variables
  • Easy functions (sum, mean, etc)
  • Using the $ sign for columns

Feb 24: Graphing   

Link to Workshop 3

  • Graphing with {ggplot2}
  • General code template for all graphs
  • Types of graphs
  • Adding visual trend lines (for getting stats of these lines see Week 8)

Mar 3: Cleaning Messy Data

Link to Workshop 4

  • Manipulating and wrangling data
  • Adding, deleting, and changing rows and columns with {dplyr}
    • Functions: filter, select, mutate
  • %>% Piping |> commands together
  • logical operators: !, &, ||, ==, != (not, and, or, is-equal-to, does-not-equal)

Mar 10: Summarizing Data

Link to Workshop 5

  • Summarizing data based on groups with {dplyr}
    • Functions: group_by, summarize
  • The summary() and tabyl() functions  

Mar 17: Prettier Plots and Tables 

  • Customize graph colors
  • Change axis labels
  • Multiple graphs in one image
  • Exporting plot images

Apr 14: Making Tables & Graphs Even Prettier

  • Adding confidence intervals and signficance to plots
    • geom_errorbar, geomsignif, {ggpubr}
  • Making print-ready tables with gt() and gtsummary()
  • Multiple graphs in one image