HI, Try this: dat1<- read.table(text=" V1 V2 A 1 B 2 A 1 B 3 ",sep="",header=TRUE,stringsAsFactors=FALSE) library(plyr) ddply(dat1,.(V1),summarize, V2=list(V2)) # V1 V2 #1 A 1, 1 #2 B 2, 3
#or aggregate(V2~V1,data=dat1,FUN= function(x) x,simplify=FALSE) # V1 V2 #1 A 1, 1 #2 B 2, 3 A.K. >Dear R-users, > >I have dataframe >V1 V2 >A 1 >B 2 >A 1 >B 3 > >I want to get this output > >V1 V2 >A 1,1 >B 2 ,3 > > >How to.... ?? > >Please ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
