[R] Dealing with missing values in a linear mixed model

Christine adrion at ibe.med.uni-muenchen.de
Wed Jul 6 22:43:43 CEST 2011

within lme(), I think it is only possible to do na.action = na.omit. The
default action (= na.fail) causes lme() to print an error message and
terminate if there are any incomplete observations


Christine Adrion, Dipl.-Stat.,MPH

Ludwig-Maximilians-Universität München
IBE - Institut für Medizinische Informations-
verarbeitung, Biometrie und Epidemiologie 
Marchioninistr. 15
D- 81377 München
Tel:    +49 89 7095 7486
Fax:    +49 89 7095 7491
eMail:  adrion at ibe.med.uni-muenchen.de  
web:    http://www.ibe.med.uni-muenchen.de
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