Schedule

Click on the text like “Week 1: Sep 02 – Sep 06” to expand or collapse the items we covered in that week.

I will fill in more detail and provide links to lecture notes and labs as we go along. Items for future dates are tentative and subject to change.

Week 1: Sep 02 – Sep 06

Wed, Sep 04

In class, we will work on:
- Overview of course and syllabus (syllabus linked to from main course website landing page)
- Introductory activity/lab: pdf
After class, please:
- Fill out this poll about when my office hours should be held: http://whenisgood.net/4gx9jzb
- Sign up for our class at Piazza (anonymous question and answer forum): https://piazza.com/mtholyoke/fall2019/stat242
- Read Chapter 1 of The Statistical Sleuth 3rd Edition.

Fri, Sep 06

In class, we will work on:
- Finish R lab on permutation tests
- Review quizzes on material from Chapter 1 (possible quizzes and their solutions are posted on the Quizzes/Exams page on the course website)
After class, please:
- Read Sections 2.1, 2.2, and 2.5 of The Statistical Sleuth 3rd Edition
- Do optional Homework 0; I won’t be checking for completion but you should do this if you’re less comfortable with R.
- Start on Homework 1; due Fri, Sep 13

Week 2: Sep 09 – Sep 13

Mon, Sep 09

In class, we will work on:
- Quiz on material from Chapter 1
- Review of t-based tests and confidence intervals:
  - Concepts overview: pdf
  - Examples (corrected version): pdf
After class, please:
- Work on Homework 1; due Fri, Sep 13
- Read Sections 2.3, 5.2, and 6.2 of The Statistical Sleuth 3rd Edition

Wed, Sep 11

In class, we will work on:
- Quiz on material from Chapter 1
- Lab about t-based inference
After class, please:
- Work on Homework 1; due Fri, Sep 13
- Read Sections 2.3, 5.2, and 6.2 of The Statistical Sleuth 3rd Edition

Fri, Sep 13

In class, we will work on:
- Overview of degrees of freedom: pdf
  - All you really need to know is that the degrees of freedom is the sample size minus the number of parameters for means.
- ANOVA: pdf
  - We only talked about the set up and plots
After class, please:
- Work on Homework 2; due Fri, Sep 20
- Read Sections 2.3, 5.2, and 6.2 of The Statistical Sleuth 3rd Edition
- Review quizzes on material from Chapter 2 (possible quizzes and their solutions are posted on the Quizzes/Exams page on the course website)

Week 3: Sep 16 – Sep 20

Mon, Sep 16

In class, we will work on:
- Quiz on material from Chapter 2
- Continue ANOVA:
  - Based on the handout from Fri, Sep 13:
    - Discuss formulating hypothesis tests in terms of the means \(\mu_1, \mu_2, \ldots, \mu_I\) for each group.
    - Discuss using fit.contrasts to conduct the test or find a confidence interval
  - Discuss another way of setting up the ANOVA model in terms of \(\beta\)’s: pdf
After class, please:
- Work on Homework 2; due Fri, Sep 20
- Read Sections 2.3, 5.2, and 6.2 of The Statistical Sleuth 3rd Edition

Wed, Sep 18

In class, we will work on:
- Quiz on material from Chapter 1 or Chapter 2
- More on \(t\) tests for ANOVA. No new handouts.
- We developed a set of solutions to all the questions we asked related to stuff in Lab 2: https://github.com/mhc-stat242-f2019/Lab2-solutions.git
After class, please:
- Work on Homework 2; due Fri, Sep 20
- Read Sections 2.3, 5.2, and 6.2 of The Statistical Sleuth 3rd Edition

Fri, Sep 20

In class, we will work on:
- Concepts behind t-based inference and F tests for ANOVA: pdf
- R code for F tests for ANOVA: pdf (note: this is a first look at this that we will expand on next class)
- Lab 3: https://github.com/mhc-stat242-f2019/Lab3.git
After class, please:
- Review all quizzes!
- Work on Homework 3; due Fri, Sep 27. Will be assigned by Saturday.
- Read Sections 5.3 and 5.4 of The Statistical Sleuth 3rd Edition

Week 4: Sep 23 – Sep 27

Mon, Sep 23

In class, we will work on:
- Quiz on Sections 5.2 and 6.2
- More on F tests for ANOVA models.
  - slides illustrating how p-value calculations for F tests work: pdf
  - p-values for nested models: pdf
  - Finish Lab 3
After class, please:
- Read Sections 6.3, 6.4.3, and the paragraph headed “Bonferroni” in 6.4.4.

Wed, Sep 25

In class, we will work on:
- Quiz on any material up through Sections 5.2 and 6.2
- Multiple comparisons.
  - Concepts: pdf
  - R: pdf
- Lab 4: https://github.com/mhc-stat242-f2019/Lab4.git
After class, please:

Fri, Sep 27

In class, we will work on:
- Multiple Comparisons:
  - Lab 5: https://github.com/mhc-stat242-f2019/Lab5.git (does not need to be submitted)
  - Finish Lab 4
- Review quizzes on F tests and multiple comparisons.
After class, please:

Week 5: Sep 30 – Oct 04

Mon, Sep 30

In class, we will work on:
- Conditions for t and F based inference with the ANOVA model. pdf
After class, please:

Wed, Oct 02

In class, we will work on:
- Transformations for ANOVA models.
  - Concepts: pdf
  - Examples with R code: pdf
  - If time, Lab 6: https://github.com/mhc-stat242-f2019/Lab6.git
After class, please:

Fri, Oct 04

In class, we will work on:
- Time to work on Lab 6
- Review quizzes on conditions for ANOVA
After class, please:

Week 6: Oct 07 – Oct 11

Mon, Oct 07

In class, we will work on:
- Simple Linear Regression:
  - Concepts: pdf
  - R code and examples: pdf
After class, please:

Wed, Oct 09

In class, we will work on:
- Midterm!
After class, please:

Fri, Oct 11

In class, we will work on:
- Alternative approaches to inference; bootstrap
- Confidence intervals for the mean for simple linear regression:
  - Lecture notes: pdf
  - R code and examples: pdf
  - Lab 7: https://github.com/mhc-stat242-f2019/Lab7.git
After class, please:
- Have a great break!

Week 7: Oct 14 – Oct 18

Mon, Oct 14

No Class: Midsemester Break. Safe travels!

Wed, Oct 16

In class, we will work on:
- No Quiz
- Residuals and Prediction Intervals for Simple Linear Regression: pdf
After class, please:

Fri, Oct 18

In class, we will work on:
- Conditions and Transformations for Simple Linear Regression: pdf
After class, please:

Week 8: Oct 21 – Oct 25

Mon, Oct 21

In class, we will work on:
- Quiz
- Miscellaneous topics from simple linear regression: pdf
- Start Lab 9
After class, please:

Wed, Oct 23

In class, we will work on:
- Quiz
- Work on Lab 9
After class, please:

Fri, Oct 25

In class, we will work on:
- Quadratic Regression: pdf
After class, please:

Week 9: Oct 28 – Nov 01

Mon, Oct 28

In class, we will work on:
- Quiz
- Regression with both a quantitative and a categorical explanatory variable: pdf
After class, please:

Wed, Oct 30

In class, we will work on:
- Quiz
- Regression with both a quantitative and a categorical explanatory variable: pdf
After class, please:

Fri, Nov 01

In class, we will work on:
- Lab 11
After class, please:

Week 10: Nov 04 – Nov 08

Mon, Nov 04

In class, we will work on:
- Two-way ANOVA:
  - hand out: pdf
After class, please:

Wed, Nov 06

In class, we will work on:
- Two-way ANOVA, continuing hand out from last class
After class, please:

Fri, Nov 08

In class, we will work on:
- Lab 12, on 2-way anova
After class, please:

Week 11: Nov 11 – Nov 15

Mon, Nov 11

In class, we will work on:
- Overview of Lab 12 solutions
- Quiz
- Diagnostics for outliers and high leverage observations: pdf
- Start on multiple regression: pdf
- If time, worksheet on multiple regression and diagnostics? pdf
- Overview of projects
After class, please:

Wed, Nov 13

In class, we will work on:
- Quiz
- Multiple Regression, added variable plots:
  - pdf
After class, please:

Fri, Nov 15

In class, we will work on:
- Multiple Regression
  - pdf
  - The original article in case you’re curious: pdf
After class, please:

Week 12: Nov 18 – Nov 22

Mon, Nov 18

In class, we will work on:
- Multiple Regression
  - worksheet: pdf
  - See also lab on variable selection
After class, please:

Wed, Nov 20

In class, we will work on:
- Review
After class, please:

Fri, Nov 22

In class, we will work on:
- Logistic Regression
  - lecture notes: pdf
  - hand out: pdf
After class, please:

Week 13: Nov 25 – Nov 29

Mon, Nov 25

In class, we will work on:
- Midterm 2
After class, please:

Wed, Nov 27

No Class: Thanksgiving Break. Safe travels!

Fri, Nov 29

No Class: Thanksgiving Break. Safe travels!

Week 14: Dec 02 – Dec 06

Mon, Dec 02

In class, we will work on:
- Logistic regression
After class, please:

Wed, Dec 04

In class, we will work on:
- Evan is away at a conference.
- Time to work on your projects in groups.
After class, please:

Fri, Dec 06

In class, we will work on:
- Evan is away at a conference.
- Time to work on your projects in groups.
After class, please: