Re: [R] grab values in R

2014-03-11 Thread arun
Hi, Use ?aggregate(), ?ddply() from library(plyr) etc. dat <- read.table(text="ua ELM PRP   122C MO 5   122C BR 3   122C FA 1   122C MO 1   122D BR 7   122D MO 2 122D BR 1",sep="",header=TRUE,stringsAsFactors=FALSE) library(plyr)  ddply(dat,.(ua,ELM),summarize,PRP=sum(PRP)) #    ua ELM PRP #1 122

Re: [R] grab values in R

2014-03-11 Thread David Winsemius
if you post in HTML you loose the line-ends and create confusion. Please learn to post in plain text. -- David. > On Mar 11, 2014, at 5:02 PM, catalin roibu wrote: > > Hello all! > > I have a problem with R. How can I do this assemble the ELM PRP for each ua. > My data is like this: > > ua

Re: [R] grab values in R

2014-03-11 Thread Pascal Oettli
Hello, To me, and maybe for others, it is beyond understanding. Please clarify. Regards, Pascal On Tue, Mar 11, 2014 at 7:02 PM, catalin roibu wrote: > Hello all! > > I have a problem with R. How can I do this assemble the ELM PRP for each ua. > My data is like this: > > ua ELM PRP 122C MO 5

[R] grab values in R

2014-03-11 Thread catalin roibu
Hello all! I have a problem with R. How can I do this assemble the ELM PRP for each ua. My data is like this: ua ELM PRP 122C MO 5 122C BR 3 122C FA 1 122C MO 1 122D BR 7 122D MO 2 122D BR 1 and I want to obtain something like this: ua ELM PRP 122C MO 6 122C BR 3 122C FA 1 122D BR 8