Hi what about
data[sapply(data, is.nan)] <- NA Cheers Petr > -----Original Message----- > From: R-help <r-help-boun...@r-project.org> On Behalf Of Luigi Marongiu > Sent: Thursday, September 2, 2021 3:18 PM > To: r-help <r-help@r-project.org> > Subject: [R] How to globally convert NaN to NA in dataframe? > > Hello, > I have some NaN values in some elements of a dataframe that I would like to > convert to NA. > The command `df1$col[is.nan(df1$col)]<-NA` allows to work column-wise. > Is there an alternative for the global modification at once of all instances? > I have seen from > https://stackoverflow.com/questions/18142117/how-to-replace-nan-value- > with-zero-in-a-huge-data-frame/18143097#18143097 > that once could use: > ``` > > is.nan.data.frame <- function(x) > do.call(cbind, lapply(x, is.nan)) > > data123[is.nan(data123)] <- 0 > ``` > replacing o with NA, but I got > ``` > str(df) > > logi NA > ``` > when modifying my dataframe df. > What would be the correct syntax? > Thank you > > > > -- > Best regards, > Luigi > > ______________________________________________ > 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.
______________________________________________ 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.