Maybe not the most elegant way but at least works: library( stringr ) x <- as.factor( "123.4-" ) x <- -as.numeric( str_replace( as.character( x ), "-", "" ) ) x [1] -123.4
On Monday 20 October 2014 09:03:36 PIKAL Petr wrote: > Dear all. > > Before I start fishing in (for me) murky regular expression waters I try to > ask community about changing format of negative numbers. > > For some reason I get a file with negative numbers formatted with negative > sign at end of number. > > something like > > 0.123- > > It is imported as factors and I need to convert it to numbers again. Before > converting I need to change it to "correct" format > > -0.123 > > Does anybody know some simple way? > > Cheers > Petr . > ______________________________________________ > 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. > ______________________________________________ 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.
