On 9/19/2016 10:37 PM, John wrote:
Hi, I have the following dataframe:temp<-data.frame(a=c(1,1,2), b=2:4, c=1:3) row.names(temp)<-c("D", "E", "F") tempa b c D 1 2 1 E 1 3 2 F 2 4 3 I would like R to tell me which rows has value "a" equal to 1. The answer is the first row and the second row, or row D and row E. Which function should i use? function subset? function which?
row.names(temp[temp$a==1,]) -- -- Robert W. Baer, Ph.D. Professor of Physiology Kirksville College of Osteopathic Medicine A T Still University of Health Sciences 800 W. Jefferson St Kirksville, MO 63501 660-626-2321 Department 660-626-2965 FAX ______________________________________________ [email protected] mailing list -- To UNSUBSCRIBE and more, see 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.
