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New lmer: How to recode random effect ?
2007 Jan 23
0
New lmer: How to recode random effect ?
...obtained : CHOLMOD warning: matrix not positive definite Error in devLaplace(PQLpars) : Cholmod error `matrix not positive definite' at file:../Supernodal/t_cholmod_super_numeric.c, line 614 J?r?me Lema?tre ?tudiant au doctorat Chaire de recherche industrielle CRSNG - Universit? Laval en sylviculture et faune & D?partement de biologie, Facult? des sciences et de g?nie Pavillon Alexandre-Vachon Universit? Laval Qu?bec, QC G1K 7P4 t?l : (418) 656-2131 poste 2917 Local : VCH-2044 Courriel: jerome.lemaitre.1 at ulaval.ca