STA 199: Introduction to Data Science and Statistical Thinking

This page contains an outline of the topics, content, and assignments for the semester. Note that this schedule will be updated as the semester progresses and the timeline of topics and assignments might be updated throughout the semester.

Lectures and labs Application exercises Homework
Lecture slides Exercises Questions
Lecture notes Suggested answers Model answers
Labs
WEEK DATE TOPIC READINGS VIDEOS DUE
1 Mon, Aug 24 Hello World and Hello STA 199! Syllabus


Wed, Aug 26 Meet the toolkit r4ds - intro
ims - chp 1
R and Positron
Quarto
First data viz with UN Votes
Getting to know you survey | 11:59 pm

Thu, Aug 27 Lab 0: Mise en place

Lab 0 | End of lab
2 Mon, Aug 31 Grammar of data visualization r4ds - chp 1
ims - chp 4
Visualizing data
Building a plot with ggplot2
Grammar of graphics
First look at Palmer Penguins


Wed, Sep 2 Grammar of data transformation r4ds - chp 2
r4ds - chp 3.1-3.5
Grammar of data transformation
Flights and pipes


Thu, Sep 3 Lab 1: What’s streaming around the world?

Lab 1 | End of lab
3 Mon, Sep 7
🛠️ No lecture - Labor Day



Wed, Sep 9 Exploratory data analysis I r4ds - chp 3.6-3.7 Visualizing and summarizing categorical data
Visualizing and summarizing numerical data
Visualizing and summarizing relationships
Star Wars characters
  HW 1 | 11:59 pm

Thu, Sep 10 Lab 2: Get in teams, then group_by() r4ds - chp 4
Lab 2 | End of lab
4 Mon, Sep 14 Exploratory data analysis II ims - chp 5
ims - chp 6
Diving deeper with Palmer Penguins

Wed, Sep 16 Tidying data r4ds - chp 5 Tidy data
Tidying data
Country populations over time
  HW 2 | 11:59 pm

Thu, Sep 17 Lab 3: The one with all the pivoting

Lab 3 | End of lab
5 Mon, Sep 21 Joining data r4ds - chp 19.1-19.3 Joining data
Continent populations


Wed, Sep 23 Data types and classes r4ds - chp 16 Data types
Data classes
That’s my type
  HW 3 | 11:59 pm

Thu, Sep 24 Lab 4: JOINing the Olympic Gymnastics Committee
Project: Team preferences


Lab 4 | End of lab
6 Mon, Sep 28 Importing and recoding data r4ds - chp 7
r4ds - chp 17.1 - 17.3
Importing data
Halving CO2 emissions
Student survey


Wed, Sep 30 Web scraping a single page r4ds - chp 24.1 - 24.6 Web scraping basics
Scraping an eCommerce page
  HW 4 | 11:59 pm

Thu, Oct 1 Project: Milestone 1 - Working collaboratively Merge conflicts
Project description

PM 1 | End of lab
7 Mon, Oct 5 Exam 1 review

PE 1 | 11:59 pm

Wed, Oct 7
Exam 1



Thu, Oct 8 Project: Milestone 2 - Proposal

PM 2 | End of lab
(Can turn in until 11:59 pm on Fri, Oct 9 without penalty)
8 Mon, Oct 12
🍂 No Lecture - Fall Break



Wed, Oct 14 Web scraping many pages r4ds - chp 25.1 - 25.2 Scraping many eCommerce pages
Web scraping considerations


Thu, Oct 15 Project: Milestone 3 - Improve & progress I Tidyverse style guide - Chp 1-5
PM 3 | End of lab
(Optional) Midterm course eval | 11:59 pm
9 Mon, Oct 19 Data science ethics To be posted To be posted PE 2 | 11:59 pm

Wed, Oct 21 Linear regression with a single predictor To be posted To be posted

Thu, Oct 22 Project: Milestones 4 + 5 - Peer review + Improve & progress II To be posted To be posted PM 4 + 5 | End of lab
10 Mon, Oct 26 Linear regression with multiple predictors To be posted To be posted PE 3 | 11:59 pm

Wed, Oct 28 Model selection and overfitting To be posted To be posted HW 5 | 11:59 pm

Thu, Oct 29 Lab 5: Linear models To be posted To be posted Lab 5 | End of lab
11 Mon, Nov 2 Developing and communicating data science results To be posted To be posted

Wed, Nov 4 Logistic regression To be posted To be posted

Thu, Nov 5 Project: Milestone 6 - Presentation To be posted To be posted PM 6 | Start of lab
12 Mon, Nov 9 Spending your data To be posted To be posted PE 4 | 11:59 pm

Wed, Nov 11 Evaluating models To be posted To be posted HW 6 | 11:59 pm

Thu, Nov 12 Lab 6: Logistic models To be posted To be posted Lab 6 | End of lab
13 Mon, Nov 16 Exam 2 review To be posted To be posted

Wed, Nov 18
Exam 2



Thu, Nov 19 Lab 7: Modeling overview To be posted To be posted Lab 7 | End of lab
14 Mon, Nov 23 Quantifying uncertainty with bootstrap intervals To be posted To be posted

Wed, Nov 25
🦃 No lecture - Thanksgiving



Thu, Nov 26
🦃 No lab - Thanksgiving


15 Mon, Nov 30 Making decisions with randomization tests To be posted To be posted

Wed, Dec 2 Looking further To be posted To be posted HW 7 | 11:59 pm

Thu, Dec 3 Lab 8: Inference To be posted To be posted Lab 8 | End of lab
16 Mon, Dec 7
Final review (time + location TBD)



Thu, Dec 10
Final exam (9 am - 12 pm)