R help - Jun 2016 - Haplo.glm error: Failed to converge during EM-glm loop

It is a "warning" message, but not an "error" message. 
Therefore, you should still get parameter estimates.  However, lack of
convergence is often an important issue. Although in the case of the EM
algorithm, it may not be so serious since EM is notoriously slow to converge
when you set a small tolerance for convergence. You may fiddle with the control
options for EM algorithm and see if you can get convergence.  If not, you should
contact the package authors.

Hope this is helpful,
Ravi

Ravi Varadhan, Ph.D. (Biostatistics), Ph.D. (Environmental Engg)
Associate Professor,  Department of Oncology
Division of Biostatistics & Bionformatics
Sidney Kimmel Comprehensive Cancer Center
Johns Hopkins University
550 N. Broadway, Suite 1111-E
Baltimore, MD 21205
410-502-2619


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