Math 241: Data Science
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    Data Science

    Math 241 Reed College, Spring 2026

    Week 1

    Monday, Jan 26

    Course Introduction & Statistical Computing
    Slides Slides (PDF)

    Wednesday, Jan 28

    Data Visualization I: Principles
    Reading Slides Slides (PDF) Activity

    Thursday, Jan 29 9:00am

    Problem Set 0 Released
    Problem Set 0

    Resources

    • Join Slack
    • Gradescope course entry code: ZJPD33

    Week 2

    Monday, Feb 2

    Data Visualization II: Plotting with ggplot2
    Reading Slides Slides (PDF)

    Wednesday, Feb 4

    Data Visualization III: Advanced ggplot2 and customization
    Reading Slides Slides (PDF)

    Thursday, Feb 5 9:00am

    Problem Set 0 Due, Problem Set 1 Released
    Problem Set 1

    Resources

    • None this week

    Week 3

    Monday, Feb 9

    Data Wrangling and asking good questions
    Reading Slides Slides (PDF) Activity (instructions) Activity (download)

    Wednesday, Feb 11

    Animation and interactivity
    Reading Slides Slides (PDF)

    Thursday, Feb 12 9:00am

    Problem Set 1 Due, Problem Set 2 Released
    Problem Set 2

    Resources

    • None this week

    Week 4

    Monday, Feb 16

    Data types and more wrangling
    Slides Slides (PDF)

    Wednesday, Feb 18

    Joins and reshaping data
    Reading Slides Slides (PDF) Activity

    Thursday, Feb 19 9:00am

    Problem Set 2 Due, Problem Set 3 Released
    Problem Set 3

    Resources

    • None this week

    Week 5

    Monday, Feb 23

    Spatial data I
    Reading Slides Slides (PDF)

    Wednesday, Feb 25

    Spatial data II
    Reading Slides Slides (PDF) Activity (Download)

    Thursday, Feb 26 9:00am

    Problem Set 3 Due, Problem Set 4 Released
    Problem Set 4

    Resources

    • Fill out the Project 1 Preferences Form

    Week 6

    Monday, Mar 2

    shiny I (Project I Groups Assigned)
    Reading Slides Project I Groups

    Wednesday, Mar 4

    shiny II (Project I Instructions Released)
    Reading Slides Project I Instructions

    Thursday, Mar 5 9:00am

    Problem Set 4 Due

    Resources

    • None this week

    Week 7

    Monday, Mar 9

    Different classes in R
    Slides

    Wednesday, Mar 11

    Project 1 Work Day
    Slides

    Resources

    • None this week

    Week 8

    Monday, Mar 16

    string manipulation and regular expressions
    Reading Slides Activity (Download)

    Wednesday, Mar 18

    Project 1 Peer Feedback Day (Project 1 DRAFT due)
    Project I Peer Feedback

    Friday, Mar 20

    Project I Written Peer Feedback Due (10pm)

    Resources

    • None this week

    Week Spring Break

    Saturday, Mar 21 - Sunday, Mar 29

    No Class

    Resources

    • None this week

    Week 9

    Monday, Mar 30

    Control flow
    Slides Activity (Download)

    Wednesday, Apr 1

    Functions
    Slides Activity (Download)

    Sunday, Apr 5

    Project I Final Product and Data Scientist Statement Due (10pm)

    Resources

    • None this week

    Week 10

    Monday, Apr 6

    Iteration: loops and functional programming
    Slides

    Tuesday, Apr 7 9:00am

    Problem Set 5 Released
    Problem Set 5

    Wednesday, Apr 8

    Parallel computing, ethics, and generative AI
    Reading Slides

    Resources

    • None this week

    Week 11

    Monday, Apr 13

    Ethics and generative AI

    Tuesday, Apr 14 9:00am

    Problem Set 6 Released

    Wednesday, Apr 15

    R packages: introduction (Problem Set 5 Due at 10pm)

    Resources

    • None this week

    Week 12

    Monday, Apr 20

    R packages: documentation + testing

    Tuesday, Apr 21 9:00am

    Project 2 Released

    Wednesday, Apr 22

    R packages: dissemination (Problem Set 6 Due at 10pm)

    Resources

    • None this week

    Week 13

    Monday, Apr 27

    Project II Work Day

    Wednesday, Apr 29

    Building your data science portfolio

    Resources

    • None this week

    Week Finals

    Wednesday, May 13 1pm - 4pm

    Final Project Presentations

    All projects materials due at noon, presentations starting at 1pm.


    Resources

    • None this week
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