Try this (not tested): x$name.x[is.na(x$name.x) | x$name.x == " "] <- x$name.y[is.na(x$name.x) | x$name.x == " "]
On Thu, Jun 17, 2010 at 10:22 AM, Daniel <dms...@gmail.com> wrote: > Hello all,I have a table with about 18000 rows, I need to UPDATE the > strings > in the "name.x" column in each row by the strings from "name.y" given if > "name.x" is NA or " ". How can I do it? > Also I want to update values in other columns, but I think that will be the > same job. > Daniel > -- > Daniel Marcelino > http://bit.ly/pol4vc > > [[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. > -- Henrique Dallazuanna Curitiba-Paraná-Brasil 25° 25' 40" S 49° 16' 22" O [[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.