[R] expected survival from a frailty cox model using survfit

[1,]) #return an error message Erreur dans x2 %*% coef : arguments inadéquats Thanks in Advance -- Emmanuel Tillard Veterinaire CIRAD-EMVT Unite de recherche 18 UMR868 Elevage des Ruminants en Regions Chaudes (ERRC) Campus ENSA-INRA 2 place Viala 34060 Montpellier cedex 1 tel:0499612265

[R] identical results with PQL and Laplace options in lmer function (package lme4)

is anybody else aware of this? or did I forget something important ? Many thanks for your help. -- Emmanuel Tillard Veterinaire CIRAD-EMVT Unite de recherche 18 UMR868 Elevage des Ruminants en Regions Chaudes (ERRC) Campus ENSA-INRA 2 place Viala 34060 Montpellier cedex 1 tel:0499612265 (fixe