[R] Error in lmer: asMethod(object) : matrix is not symmetric [1, 2]

Ben Bolker bbolker at gmail.com
Fri Oct 5 17:39:27 CEST 2012

Ben Bolker <bbolker <at> gmail.com> writes:


  PS this error message is listed in http://glmm.wikidot.com/faq --
if you google 'lmer "matrix is not symmetric"' it's in the hits (although
pretty far from the top, alas).  I've added a little bit more discussion.

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