x[rowSums(!x<0)==ncol(x),] #if you don't want x<0 # a b c d e #3 2 3 3 4 3 #5 4 5 5 6 4
#or x[rowSums(!x==-1)==ncol(x),] # a b c d e #3 2 3 3 4 3 #5 4 5 5 6 4 A.K. ----- Original Message ----- From: Dimitri Liakhovitski <dimitri.liakhovit...@gmail.com> To: r-help <r-help@r-project.org> Cc: Sent: Tuesday, July 30, 2013 10:06 AM Subject: [R] Select only rows that don't contain one number Hello! I have a data frame: x<-data.frame(a=c(-1,1,2,3,4),b=c(1,-1,3,4,5),c=1:5,d=2:6,e=c(1,2,3,-1,4)) x How can I grab only those rows that don't contain any -1s (no matter in what columns? Without writing a loop. In other words, I want my output to contain only rows 3 and 5 of x. Thank you very much! [[alternative HTML version deleted]] ______________________________________________ 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. ______________________________________________ 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.