Hey all
I am relatively new to analysis in R
(and am a geneticist so apologies for rubbish questions ),
I have a question regarding repeated measures analysis
this was what i have done so far
1)ph<-make.rm(constant=c("sid","pheno1","snp","sex","age"),repeated=c("measure1","measure2"),data=file)
2) i want to analyze
aov( repdat ~ pheno1 + snp + pheno1:snp + repdat:snp + repdat:pheno1 +
repdat:pheno1:snp + age + sex )
when i use SPSS (GLM repeated measures) it automatically generates the above
model for me)
But i read that I need to add in the sample ID term together with the Error
term to get the correct sum of squares
3) Does this mean i need
repdat ~ pheno1 + snp + pheno1:snp + repdat:snp + repdat:pheno1 +
repdat:pheno1:snp + age + sex
+ sid + Error(sid/repdat + pheno1 + snp)
to get the correct anova summary?
Thanks
GS
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