SOLAS for missing data analysis is a processing system that was developed by Statistical Solutions Ltd., Ireland. SOLAS is designed for the imputation of missing data, primarily in biostatistical research. It supports both numeric and ordered categorical variables. Its main feature is the multiple imputation, and it can perform simple donor imputations and imputations with historical data. A more complete description is available in the SOLAS evaluation page, on this site.
UNECE Data Editing Group
06 Dec 2013