https://nd.psychstat.org/ 2026-05-05T11:02:55+00:00 https://nd.psychstat.org/ https://nd.psychstat.org/_media/wiki/dokuwiki.svg text/html 2016-01-24T14:48:26+00:00 Anonymous (anonymous@undisclosed.example.com) https://nd.psychstat.org/lab/projects/10bmem/index Mediation analysis with missing data through EM References * [Book chapter by Schafer on the implementation of EM algorithm] * [RAM model] * [A general mediation model using RAM notation.PDF] What has been done Software for the simple mediation model in the figure below has been developed. The software allows the use any number of auxiliary variables. It first estimates the covariance matrix of all input variables and then conducts parameter estimates for the mediation model.