Links to Additional Sites and Software
University of Michigan (ICPSR) Data Archive https://www.icpsr.umich.edu
SAS software https://www.sas.com
Stata software https://www.stata.com
Sudaan software https://www.rti.org/impact/sudaanr-statistical-software-analyzing-correlated-data
SPSS software https://www.ibm.com/products/spss-statistics
Mplus software https://statmodel.com
R software https://www.r-project.org/
WesVar software is Retired as of 2025 Link to Westat
IVEware https://smponline.isr.umich.edu/
SDA from ICPSR https://www.icpsr.umich.edu (online analysis system with survey correction capabilities)
Software Updates
Stata V18 is current as of February 2025
SPSS V30 is current as of February 2025
SAS v9.4 is current as of February 2025
Base R 4.4.3 is current and R Survey package 4.4-2 is current as of 2024.
MPLus v8.11 is current as of February 2025
IVEware 0.3 is current as of February 2025
See software websites for additional updates and version information.