Stata functions:

• Version of the QIC program that potentially works with Stata 9. qic.ado
• New! Stata command 'cheet sheet'
• Convert ASCII file into STATA format using Stat/Transfer [plaintext]
• Resources to help you learn and use STATA [website]
• Inputting Your Data into STATA [website]
• Reshaping Data from Wide to Long [website]
• STATA Frequently Asked Questions [website]
• A wonderful archive of STATA programs [website]
• The xtgee command [website]
• Stata Analysis with GEE of the Epileptic Seizures data [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17]

S-plus and R functions:

• Under "Models for Repeated Measurements. Oxford University Press (1999, Second Edition) -- Data and R code," there are data sets and R code for LDA
• LDA at University of Minnesota website with R scripts
• R function for lorelogram
• Plotting longitudinal data sets [exploratory.s]
• Data analysis of the sitka spruce trees data set [sitka.s] and handout [pdf]
• Link to Oswald: Software for the Analysis of Longitudinal Data in S-plus [website]

SAS functions:

• Macro for calculating autocorrelation function in SAS [pdf] [readme]
• Macro for fitting splines to Nepal Data [splinfit.sas]
• Generate correlated normal data [gendat.sas]
• PROC MIXED for the sitka.data [sitka.sas] and handout [pdf]
• Fit OLS and WLS models for gendat.sas data [owlsfit.sas]
• SAS analysis of the dental data set [program] [output]
• Analysis of dental data using a random coefficient model, PROC MIXED [program] and output [output]
• Analysis of dental data using linear mixed effects model, PROC MIXED) [program] and output [output]
• Fit a Logistic Regression Model to the Myocardial infarction data [program] and output [output]
• Analysis of epileptic seizure data using a population-averaged model and GEE, PROC GENMOD[program]   and output [output]
• Comparing the SAS GLM and Mixed Procedures for Repeated Measures [pdf]