Re: [R] grouping elements of a data frame

2013-01-15 Thread arun
Hi, Try this: The last part was not clear. A.df<-read.table(text="         a c 0.9     b  x 0.8     b z 0.5     c y 0.9     c x 0.7     c z 0.6 ",sep="",header=FALSE,stringsAsFactors=FALSE)  lst1<-split(A.df[,-1],A.df$V1) lst1 #$a #  V2  V3 #1  c 0.9 # #$b # 

Re: [R] grouping elements of a data frame

2013-01-15 Thread David Winsemius
On Jan 15, 2013, at 9:10 AM, Nuri Alpay Temiz wrote: > Hi everyone, > > I have a question on selecting and grouping elements of a data frame. For > example: > > A.df<- [ a c 0.9 > b x 0.8 > b z 0.5 > c y 0.9 > c x 0.7 > c z 0.6] Tha