Week 3

Errors, more data loading, data manipulation, ggplot themes, factors

Topics

• Where to get help on errors
• Revisiting data loading with the here package
• Data manipulation with dplyr package
• Themes in the ggplot2 package
• Factors
• Boxplots and facets

Announcements

• Class materials for BSTA 526 will be provided in the shared Dropbox folder BSTA_526_W25_class_materials_public.
• For today’s class, make sure to download to your computer the folder called part_03, and then open RStudio by double-clicking on the file called part_03.Rproj.
• If you have not already done so, please join the BSTA 526 Slack channel and introduce yourself by posting in the #random channel.

Class materials

• Readings
• Dropbox part_03 Project folder

Post-class survey

• Please fill out the post-class survey to provide feedback. Thank you!
• Previous muddiest points and clearest points with responses are collected here: https://niederhausen.github.io/BSTA_526_W25/survey_feedback_previous_years

Homework

• See Dropbox folder for homework assignment.
• HW 3 due on 1/30.

Recording

• In-class recording links are on Sakai. Navigate to Course Materials -> Schedule with links to in-class recordings. Note that the password to the recordings is at the top of the page.