Thanks a lot, Sarah. I just had no idea where to put na.rm = T in the do.call call. Appreciate it! Dimitri
On Wed, Nov 16, 2016 at 4:06 PM, Sarah Goslee <sarah.gos...@gmail.com> wrote: > pmax has a na.rm argument. Why not just use that? > > x <- data.frame(a = c(1:5), b=11:15, c=c(111:114,NA)) > >> do.call(pmax, c(x, na.rm=TRUE)) > [1] 111 112 113 114 15 > > On Wed, Nov 16, 2016 at 3:58 PM, Dimitri Liakhovitski > <dimitri.liakhovit...@gmail.com> wrote: >> Hello! >> >> I need to calculate the maximum of each row of a data frame. >> This works: >> >> x <- data.frame(a = 1:5, b=11:15, c=111:115) >> x >> do.call(pmax, x) >> [1] 111 112 113 114 115 >> >> However, how should I modify it if my data frame has NAs? >> I'd like it to ignore NAs and return the maximum of all non-NAs in each row: >> >> x <- data.frame(a = c(1:5), b=11:15, c=c(111:114,NA)) >> x >> I'd like it to return: >> [1] 111 112 113 114 15 >> >> Thanks a lot! >> >> -- >> Dimitri Liakhovitski >> -- Dimitri Liakhovitski ______________________________________________ R-help@r-project.org 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.
