Additional Material for Short Course on Modeling Ordinal Categorical Data

• Exercises with worked out solutions in both SAS and R

• R code for creating plots for dose-response model (uses R package ggplot2):

• R code: trauma.R
• Dataset: trauma.dat

• Datasets, SAS & R code for examples used in the presentation:

• Happiness and Family Income:

• SAS code
• R code
• Dataset

• Mental Impairment:

• SAS code: mental.sas
• R code: mental.R
• Dataset: mental.dat

• Accident data (from Exercises):

• SAS code: accident.sas
• R code: accidents.R
• Dataset: accident.dat

•  Government Success (Illustration of fitting marginal model via ML):

• R code: govsuc_margmod.R
• Dataset: govsuc.dat

• Insomnia (Cum. Logit models for repeated ordinal responses):

• SAS Code: insomnia.sas
• R code: insomnia.R
• Dataset: insomnia.txt