Stat 414 - Mixed and Multilevel Models


Monday Wednesday
Friday
To Do for Monday
Optional: "Ecological correlations and the behavior of individuals" (Robinson, 2009)
Day 1
  • What is Multilevel Data? (ppt) (airfare data)
  • What is a regression model? (handout) (anno)
  • How do I estimate my model?
  • applet demo
Submit (in Canvas)
  • CP 1 (due Wed 8am)
  • Quiz 1 (due Wed 8am
Day 2
Submit (in Canvas)
  • CP 2 (due Fri 8am)
  • Quiz 2 (due Fri 8am)
Optional: "The illusion of predictability: How regression statistics mislead experts" (Soyer & Hogarth)

Optional: "Another cautionary note about R2: Its use in weighted least-squares analysis" (Willet & Singer)
Day 3
Submit (in Canvas)
  • "Quiz" 3 (due Wed 8am)
  • CP 3 (due Wed 8am)
Day 4
Submit (in Canvas
  • Quiz 4 (due Fri 7am)
  • CP 4 (due Fri 7am)
  • HW 2 (due midnight) (html)
Regressions are commonly misinterpreted," HoaglinLinks to an external site. (2016) Day 5
  • Adjusted associations (pdf) (ppt) (salary data)
  • Intraclass correlation (Rmd) (caffiene stimulants)
  • annotated
Submit (in Canvas)
  • Quiz 5 (due Wed 7am)
  • CP 5 (due Wed 7am) (Rmd)
Day 6
  • More on adjusted associations (ppt)
  • Continue "finger tapping study" (pdf) (Rmd) (anno)
    • Fixed vs. Random effects (batting averages data)
Submit (in Canvas)
  • Quiz 6 (due Fri 7am)
  • CP 6 (due Mon) (Rmd)
  • Project proposal (due Monday)
  • HW 3 (due midnight) (html)

First project proposal due Monday
Optional:"Repeated Measures ANOVA, R.I.P.?" (McCullough) Day 7 - Random Intercept Models (Ch. 4)

Day 8: - Adding Level 1 and Level 2 variables

Optional: cross validation example of fixed vs. random effects models
Day 9 - Diagnostics (Ch. 10), Review
  • handout (pdf) (Rmd) (ppt) (beach data)
  • To Do
    • Review Q&A discussion board
    • Sample question discussion board
Midterm Exam

Optional: To see some applications of multilevel models, read this articleLinks to an external site. and/or this articleLinks to an external site..
Day 10 - Interactions


Day 11 - Random slopes (5.1)


  • HW 5
 -
  • Optional: "nflWAR: A Reproducible Method for Offensive Player Evaluation in Football" Actiopdf
  • Optional: "Impact of Exercise Intensity and Sex on Endogenous Ghrelin Levels and Appetite in Healthy Humans" (linkLinks to an external site.), Nov. 2024
Day 12 - Multiple random slopes

Day 13 - Introduction to logistic regression




No Class Meeting
Day 15 - Multilevel logistic regression models




Day 16 - Longitudinal models (Ch. 15)

    • Day 16 Quiz - due Wed 7am
    • Computer problem 16 - due Wed 7am
    • Be working on project/reviewing feedback/asking questions (see Day 15 ppt for more advice)

Day 17 - Longitudinal models cont




  • Optiona:: "Fixed and random effects models: Making an informed choice" (2019) (pdfLinks to an external site.)
  • Optional: "Revisiting fixed- and random-effects models: Some considerations for policy-relevant education research" (2013) (pdf)
Day 18: Guest presentations
Day 20: Project presentation
  • See order in Canvas
Final Exam review handout