I am looking for the following simple question.
I have a data frame with names and numbers, divided in categories.
I would like to produce a text file with page breaks,
listing the names and numbers by category,
and totalling the numbers.
Example:
Name<-LETTERS[1:6]
Score<-rep(5:8,length.out=6)
Form<-rep(1:2,each=3)
x<-data.frame(Name,Score,Form)
This gives approximately what I need
by(x,x$Form,function(x){x[,1:2]})
but I would like a total added to the list.
Gerrit.
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