Re: [R] removing all NA rows from a data.frame Taka Matzmoto wrote: > Dear R-users, >  > I have a data.frame having NA (e.g., 2nd, 4th rows, etc). >  >      Start End   Length Variable_name > [1,] "1"   "1"   "1"    "a" > [2,] NA    NA    NA     "" > [3,] "2"   "2"   "1"    "b" > [4,] NA    NA    NA     "" > [5,] "3"   "6"   "4"    "c" > [6,] "7"   "10"  "4"    "d" > : > : > : >  > I like to remove the rows having NA in the first column ("Start") > What is the most elegant way to do this? I think I can use for loop to  > remove. > I am looking for a better way. newX <- X[!is.na(X[,1]),] Uwe Ligges > Thanks >  > Taka, >  > _________________________________________________________________ >  > Hotmail. >  > ______________________________________________ > R-help@stat.math.ethz.ch 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@stat.math.ethz.ch 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.