Stat 251: Data Wrangling

Course Materials

Dates shown are due dates (for homework and exams) and dates on which material was presented (for slides).

Date Title Type
Apr 15, 2026 Project: Screencast project
Apr 15, 2026 Project Overview  
 
Apr 9, 2026 Dates and Times homework
Apr 7, 2026 Dates and Times reading
Apr 2, 2026 Homework 9: Murder in SQL City homework
Mar 31, 2026 Join up, Detectives!  
 
Mar 31, 2026 Joining Data reading
Mar 26, 2026 Data Reshaping with Puppies homework
Mar 26, 2026 Murder tables!?  
 
Mar 24, 2026 Reshaping Dogs  
 
Mar 24, 2026 Reshaping Data reading
Mar 12, 2026 Practice Exam (2023) exam
Mar 12, 2026 Practice Exam (2025) exam
Mar 12, 2026 Midterm Exam (2026) exam
 
Mar 5, 2026 Exam objectives exam
 
Mar 5, 2026 String Processing and Data Wrangling in R and Python homework
Mar 5, 2026 Regular Expressions  
 
Mar 3, 2026 Strings reading
Feb 26, 2026 Homework 6: Data Manipulation homework
Feb 26, 2026 Computing with data  
 
Feb 24, 2026 Good programming practices  
 
Feb 24, 2026 Data Cleaning reading
Feb 19, 2026 Homework 5: Graphics homework
Feb 19, 2026 Creating Good Graphics  
 
Feb 17, 2026 It’s Graphics Week!  
 
Feb 17, 2026 Data Visualization reading
Feb 17, 2026 Good Graphics reading
Feb 12, 2026 Chocolate Chip Cookies homework
Feb 12, 2026 Data Explorations  
 
Feb 11, 2026 Data Input reading
Feb 10, 2026 Reading In Data  
 
Feb 10, 2026 Exploratory Data Analysis reading
Feb 5, 2026 Homework 3: decodeR - Base R homework
Feb 5, 2026 Review - Cipher  
 
Feb 3, 2026 Review - Cipher  
 
Jan 29, 2026 Homework 2: Reviewing R and Python homework
Jan 29, 2026 Review - Cipher slides
 
Jan 27, 2026 Programming Review slides
 
Jan 27, 2026 Review - Programming reading
Jan 22, 2026 πŸ‘‹ The Basics of GitHub homework
Jan 22, 2026 Programming Review slides
 
Jan 20, 2026 Programming Review slides
 
Jan 20, 2026 Review - Tools reading
Jan 15, 2026 Version Control slides
 
Jan 15, 2026 Version Control with Git and Github reading
Jan 13, 2026 Introduction slides
 
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