Schedule

Schedule for DS002R, Foundations of Data Science in R, Pomona College, Fall 2025

Here’s your roadmap for the semester! Each day, follow the general process outlined below:

• Enjoy the notes / text .

• Attend class, review the worksheet and solutions. Slides from class are linked below.

• Discuss the reflection questions and ethics considerations (see the class notes) with your classmates and professor.

• The textbooks are Modern Data Science with R (MDSR), 3rd edition by Baumer, Kaplan, and Horton and R for Data Science (R4DS), 2nd edition by Wickham, Çetinkaya-Rundel, and Grolemund.

• Homework assignments are found at the GitHub course organization. Due dates are provided on each assignment (roughly every other week). See the course GitHub page for more information on how to find, complete, and submit assignments.

date	topic	class materials	due dates	resources
Week 1 8.25.25	intro + R + RStudio + GitHub	Introduction MDSR Prologue Why Git? + monsters Introduction WS 1 - DS project		NSSD - Compromised Shoe Situation
Week 2 9.1.25	Data Viz	R4DS Visualize graphics ggplot Data Viz WS 2 - ggplot	HW 1 - due 9.3.25	Tufte. 1997. Visual and Statistical Thinking: Displays of Evidence for Making Decisions
Week 3 9.8.25	Data Viz	R4DS Visualize graphics ggplot Data Viz Data Verbs WS 3 - Tufte WS 4 - Data Verbs	HW 2 - due 9.10.25
Week 4 9.15.25	Data Wrangling	R4DS Transform wrangling Pivot + Join WS 5 - Join	HW 3 - due 9.17.25 Quiz 1 9.17.25
Week 5 9.22.25	Data Types	R4DS Factors R4DS Strings Text analysis Data Types WS 6 - Strings WS 7 - Factors	Project 1 - due 9.24.25
Week 6 9.29.25	Regular Expressions	R4DS Regular expressions Regular expressions Regular expressions WS 8 - Regular Expressions	HW 4 - due 10.1.25 Quiz 2 10.1.25
Week 7 10.6.25	functions + iteration	R4DS Fuctions R4DS Iteration Functions + Iteration functions + iteration WS 9 - Functions WS 10 - map	Project 2 - due 10.8.25
Week 8 10.13.25	code review + reprex	reproducible examples Tidyverse style guide Reproducible examples help me help you WS 11 - reproducible example
Week 9 10.20.25	simulations	MDSR Simulations Simulations Simulations WS 12 - probability simulation	HW 5 - due Monday 10.20.25 Quiz 3 10.22.25
Week 10 10.27.25	permutation tests	Permutation tests Permutation tests Data Science Ethics WS 13 - helper vs. hinderer WS 14 - ethical considerations	Project 3 - due 10.30.25 (Thursday!)
Week 11 11.3.25	web scraping	R4DS Web scraping Web scraping Web scraping WS 15 - web scraping	HW 6 - due 11.5.25 Quiz 4 11.5.25
Week 12 11.10.25	SQL	R4DS Databases MDSR Database querying SQL SQL DBMS SQL statements WS 16 - SQL as DBMS WS 17 - reading SQL queries	Project 4 - due 11.12.25
Week 13 11.17.25	SQL	R4DS Databases MDSR Database querying SQL joins SQL joins WS 18 - writing SQL queries WS 19 - writing SQL joins	HW 7 - due 11.19.25 Quiz 5 11.19.25
Week 14 11.24.25	Shiny	Matering Shiny MDSR Interactive web apps with Shiny Shiny Shiny WS 20 - Shiny	Project 5 - due 12.1.25
Week 15 12.1.25		Fin	Quiz 6 12.3.25	presentations (?) 12.5.25, 9am - noon
Week 16 12.10.25			Project 6 - due 12.10.25	presentations (?) 12.10.25, 9am - noon