Latent Class Analysis & Latent Transition Analysis
PROC LCA & PROC LTA
SAS procedures for latent class analysis & latent transition analysis
SAS Macros for use with PROC LCA
LCA Stata Plugin
Plugin for Stata users to perform latent class analysis
WinLTA
for latent transition analysis
LCA outcome probability calculator
for Microsoft Excel
Adaptive Interventions
Sequential, multiple assignment, randomized trials (SMART)
PROC QLEARN
SAS procedure for analyzing data from a SMART
Minimum sample size calculator
R code for a SMART pilot study
SAS code to compare adaptive treatment strategies
using data from a SMART
R code for constructing adaptive treatment strategies
using Q-learning with data from a SMART
Two applets allow users to calculate the sample size for a SMART.
- Sample size calculator for a SMART design with a continuous outcome
- Sample size calculator for a SMART design with survival outcomes
Analysis of Intensive Longitudinal Data
SAS TVEM macro
for estimating a time-varying effect model
SAS FHLM-LLR macro
for estimating functional hierarchical linear models using local linear regression estimation procedure
Optimizing Interventions
Multiphase optimization strategy (MOST)
Charting the relative cost of reduced factorial designs
SAS macro
Causal Inference
R code: Two-stage regression estimator of the SNMM
for examining time-varying causal effect moderation
Variable Selection
PROC SCADLS & PROC SCADGLIM
SAS procedures for variable selection
Missing Data
Software for Missing Data: Analysis and Design
a book by John Graham