[R] Quick question!

[Isabel Jones]

Thanks very much to all who answered my question
yesterday on loops.

Just a further quick question:

If I have this:

for(i in 1:n) {
  subset <- data[which(data$id==i),]

which returns the rows where I have the variable ID=1,
how can I tell the same statement to return just
column Y where ID=i?

I have tried this

for(i in 1:n) {
  subset <- data[which(data$id==i),data$Y]

but it doesn't work

Thanks again
Isabel

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