Re: [R] R Help finding Mean

If you format it a little differently, it is easier to read: bob<-read.csv('shi.csv', header=T) newmean<-matrix(0, test, dim(bob)[2]-6) a<-0 for (i in c(4,8:(dim(bob)[2]))){ a<-a+1 newmean[,a]<-tapply(bob[,i], bob$Exam, mean) } colnames(newmean)<-colnames(bob)[c(4,8:(dim(bob)[2]))] It lo

Re: [R] R Help finding Mean

see ?mean Then avoid other peoples code. cenae27 wrote: > > bob<-read.csv('shi.csv', header=T) > > newmean<-matrix(0, test, dim(bob)[2]-6);a<-0; for (i in > c(4,8:(dim(bob)[2]))) > {a<-a+1;newmean[,a]<-tapply(bob[,i], bob$Exam, mean)} > colnames(newmean)<-colnames(bob)[c(4,8:(dim(bob)[2]))] >

[R] R Help finding Mean

bob<-read.csv('shi.csv', header=T) newmean<-matrix(0, test, dim(bob)[2]-6);a<-0; for (i in c(4,8:(dim(bob)[2]))) {a<-a+1;newmean[,a]<-tapply(bob[,i], bob$Exam, mean)} colnames(newmean)<-colnames(bob)[c(4,8:(dim(bob)[2]))] Could anyone please help me what does the above code does ... I want to fin