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small
2009 Jul 23
1
setting up LMER for repeated measures and how do I get a p value for my fixed effect, group?
...a p value for Group, my fixed effect.
My subjects are divided into two groups (variable GROUP), individual subjects are indicated by the variable SS, Value is the outcome measure, each subject has Value measured three times.
I have used the following code:
fit1<-lmer(Value~Group+(1|SS),data=smallDS)
print(fit1)
Linear mixed model fit by REML
Formula: Value ~ Group + (1 | SS)
Data: Dataset
AIC BIC logLik deviance REMLdev
284.8 290.4 -138.4 291.4 276.8
Random effects:
Groups Name Variance Std.Dev.
SS (Intercept) 1038.0 32.218
Residual 552.7...