Hi R,
m=data.frame(a=c(1,NA,5,5),b=c(4,5,6,7),c=c(NA,NA,NA,5)) I want to know the methods of getting row and column positions of NA in the above dataframe. How do I do this? Thanks, Shubha This e-mail may contain confidential and/or privileged i...{{dropped:13}} ______________________________________________ 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.