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2007 Sep 13
3
t.test() with missing values
Hello! I am using R 2.5.1 on a Apple Power Book G4 with Mac OS X 10.4.10 and I am still R beginner. I try to calculate a t.test() using this code: TTest75<-t.test(Fem75, Mal75, alternative= "two.sided", paired= TRUE) This works properly, but I have two variables with a lot of missing data and therefore get the error message: TTest66<-t.test(Fem66, Mal66, alternative= "two.sided", paired= TRUE) Fehler in var(x) : 'x...