Hello everybody, I've been practicing with some data in R and SPSS and I noticed that there are some differences in ANOVA results. For example with : y<-c(1,2,34,2,3,45,2,1,67,3,2,67,2,2,98,4,4,23,1,1,23,2,3,45) and x<-rep(c(1,2,3),8) I get in R ( with summary(aov(y~x)) ) MSres=350.7 df=22 while in SPSS I get MSres=221.9 df=21 Can enyone explain me what is the problem or what am I doing wrong? Thanks for your interest a priori, Vasileios.
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