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Category: BMEM
BMEM is free software to conduct mediation analysis with missing data. BMEM implements the Expectation-Maximization (EM) algorithm together with the MLE estimation method for model parameter estimation. To test mediation effects, a bootstrap method is used to calculate three types of confidence intervals - the percentile interval, the bias-corrected (BC) interval, and the bias corrected and accelerated interval (BCa). Generally speaking, the BCa interval is recommended for use.

To use BMEM online, please follow this link http://bmem.psychstat.org/bmem

A new R package bmem is available for mediation analysis with non-normal and missing data using bootstrap. The package is at http://cran.r-project.org/web/packages/bmem/index.html

To cite, please use (thanks)

Zhang, Z., & Wang, L. (2013). Methods for mediation analysis with missing data. Psychometrika, 78(1), 154-184.

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Binaries for PC, Mac, and Ubuntu can be downloaded.
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