This revision of the structural equation modeling (SEM) package developed by J. L. Arbuckle is a commercial product that can compete with other SEM software. The revision contains new documentation, improvements in the way the program saves files, and new drawing tools. It is a substantial improvement over earlier versions. (SLD)

SOLAS is a general-purpose program for univariate statistical analysis with the ability to perform multiple imputation (MI) for dealing with missing data. Several completed data sets can be obtained and analyzed separately, and results can be combined so that extra variability due to missing data is taken into account. (SLD)