Re: [R] lme: model variance and error by group

2010-05-24 Thread Tursiops
wer does not ensure that a reasonable answer can be extracted from a given body of data. ~ John Tukey   > -Oorspronkelijk bericht- > Van: [hidden email] > [mailto: [hidden email] ] Namens Tursiops > Verzonden: vrijdag 21 mei 2010 16:14 > Aan: [hidden

[R] lme: model variance and error by group

2010-05-21 Thread Tursiops
Hello I am trying to reproduce a mixed regression model published in (J Evol Biol 12:94-102) with PASW 17.03. The authors used SAS to fit the model using the following syntaxis: proc mixed nobound; class area individ trait; model a = side trait area side*trait side*area trait*area/ddfm = satterth