Stat 241: Data Science
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    Data Science

    Stat 241 Reed College, Fall 2026

    Week 1

    Monday, Aug 31

    Course Introduction & Statistical Computing
    Slides

    Wednesday, Sep 2

    Data Visualization I: Principles. Problem Set 0 Released.
    Slides Activity Problem Set 0

    Readings

    • Join Slack
    • Gradescope course entry code: D82YW2
    • For Wednesday: MDSR Chapter 2

    Week 2

    Monday, Sep 7

    No Class: Holiday

    Wednesday, Sep 9

    Data Visualization II: Plotting with ggplot2

    Readings

    • For Wednesday: MDSR Chapter 3

    Week 3

    Monday, Sep 14

    Data Visualization III: Advanced ggplot2 and customization

    Tuesday, Sep 15 @ noon

    Problem Set 0 Due, Problem Set 1 Released

    Wednesday, Sep 16

    Data Wrangling and asking good questions

    Readings

    • For Monday: Review MDSR Chapter 3
    • For Wednesday: MDSR Chapter 4

    Week 4

    Monday, Sep 21

    Animation and interactivity

    Tuesday, Sep 22 @ noon

    Problem Set 1 Due, Problem Set 2 Released

    Wednesday, Sep 23

    Data types and more wrangling

    Readings

    • For Monday: Review MDSR Chapter 4

    Week 5

    Monday, Sep 28

    Joins and reshaping data

    Tuesday, Sep 29 @ noon

    Problem Set 2 Due, Problem Set 3 Released

    Wednesday, Sep 30

    Spatial data I

    Readings

    • For Monday: MDSR Chapters 5 and 6
    • For Wednesday: MDSR Chapters 17 and 18

    Week 6

    Monday, Oct 5

    Spatial data II

    Tuesday, Oct 6 @ noon

    Problem Set 3 Due, Problem Set 4 Released

    Wednesday, Oct 7

    shiny I (Project I Groups Assigned)

    Readings

    • For Monday: MDSR Chapters 17 and 18
    • For shiny reference: Mastering Shiny, by Hadley Wickham

    Week 7

    Monday, Oct 12

    shiny II (Project I Instructions Released)

    Tuesday, Oct 13 @ noon

    Problem Set 4 Due

    Wednesday, Oct 14

    Project 1 Work Day

    Readings

    • For shiny reference: Mastering Shiny, by Hadley Wickham

    Week Fall Break

    Saturday, Oct 17 - Sunday, Oct 25

    No Class

    Readings

    • None this week

    Week 8

    Monday, Oct 26

    Different classes in R

    Wednesday, Oct 28

    string manipulation and regular expressions

    Readings

    • For Wednesday: MDSR Chapter 19

    Week 9

    Monday, Nov 2

    Project 1 Peer Feedback Day (Project 1 DRAFT due)

    Tuesday, Nov 3 @ 10pm

    Project I Written Peer Feedback Due

    Wednesday, Nov 4

    Control flow

    Readings

    • None this week

    Week 10

    Monday, Nov 9

    Functions

    Tuesday, Nov 10 @ noon

    Problem Set 5 Released

    Wednesday, Nov 11

    Iteration: loops and functional programming

    Sunday, Nov 15 @ 10pm

    Project I Final Product and Data Scientist Statement Due

    Readings

    • None this week

    Week 11

    Monday, Nov 16

    Parallel computing, ethics, and generative AI

    Tuesday, Nov 17 @ noon

    Problem Set 6 Released and Problem Set 5 Due

    Wednesday, Nov 18

    Local LLMs and `ellmer` Extensions

    Readings

    • For Monday: TBD

    Week 12

    Monday, Nov 23

    R packages: introduction

    Tuesday, Nov 24 @ noon

    Problem Set 6 Due

    Wednesday, Nov 25

    R packages: documentation

    Readings

    • For R packages reference: R Packages, by Hadley Wickham and Jenny Bryan

    Week 13

    Monday, Nov 30

    R packages: testing and dissemination

    Wednesday, Dec 2

    Project II Work Day

    Readings

    • For R packages reference: R Packages, by Hadley Wickham and Jenny Bryan

    Week 14

    Monday, Dec 7

    Building your data science portfolio

    Readings

    • None this week

    Week Finals

    TBD

    Final Project Presentations

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


    Readings

    • None this week
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