Sorry, that's function(x)all(is.finite(x) | is.na(x) )
of course. Bert Gunter "The trouble with having an open mind is that people keep coming along and sticking things into it." -- Opus (aka Berkeley Breathed in his "Bloom County" comic strip ) On Sat, Feb 16, 2019 at 8:25 AM Bert Gunter <bgunter.4...@gmail.com> wrote: > Many ways. I assume you know that Inf and -Inf are (special) numeric > values that can be treated like other numerics. i.e. > > > 1 == - Inf > [1] FALSE > > So straightforward indexing (selection) would do it. > But there is also ?is.infinite and ?is.finite, so > > apply(yourdat, 1, function(x)all(is.finite(x))) > > would produce the index vector to keep rows with only finite values > assuming yourdat contains only numeric data. If this is not the case, just > select the numeric columns to index on, i.e. > > apply(yourdat[sapply(yourdat,is.numeric)], 1, function(x) > all(is.finite(x))) > > One possible problem here is handling of NA's: > > is.finite(c(-Inf,NA)) > [1] FALSE FALSE > ... so rows containing NA's but no -Inf's would also get removed. If you > wish to keep rows with NA's but no -Inf's, then > > function(x)(is.finite(x) | is.na(x) ) > > could be used. > > Cheers, > Bert > > Bert Gunter > > "The trouble with having an open mind is that people keep coming along and > sticking things into it." > -- Opus (aka Berkeley Breathed in his "Bloom County" comic strip ) > > > On Sat, Feb 16, 2019 at 7:07 AM AbouEl-Makarim Aboueissa < > abouelmakarim1...@gmail.com> wrote: > >> Dear All: good morning >> >> >> I have a log-transformed data frame with some *-Inf* data values. >> >> *my question: *how to remove all rows with *-Inf* data value from that >> data >> frame? >> >> >> with many thanks >> abou >> ______________________ >> >> >> *AbouEl-Makarim Aboueissa, PhD* >> >> *Professor, Statistics and Data Science* >> *Graduate Coordinator* >> >> *Department of Mathematics and Statistics* >> *University of Southern Maine* >> >> [[alternative HTML version deleted]] >> >> ______________________________________________ >> 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. >> > [[alternative HTML version deleted]] ______________________________________________ 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.
