search for: kirkspf2

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2006 Aug 14
2
lme() F-values disagree with aov()
...n data from a between-within subjects experiment. The correct ANOVA table is known because this is a textbook example (Experimental Design by Roger Kirk Chapter 12: Split-Plot Factorial Design). The lme() F-values differ from the known results. Please help me understand why. d<-read.table("kirkspf2.dat",header=TRUE) for(j in 1:4) d[,j] <- factor(d[,j]) ### Make vars into type "factor" ##lme() results library(nlme) fit<-lme(y~a*b*c,random=~1|s, data=d) anova(fit) ##correct anova table ##subjects are nested within a; a between, b & c within fit2<-aov(y ~ a*b*c + E...