On Fri, 23 Feb 2007 14:38:56 +0100 Thomas Preuth <[EMAIL PROTECTED]> wrote:
> Hello, > > I want to select in a column of a dataframe all numbers smaller than a > value x > but when I type in test<-(RSF_EU$AREA<=x) I receiv as answer: > > test > [1] TRUE FALSE FALSE TRUE TRUE TRUE FALSE FALSE TRUE TRUE TRUE > FALSE TRUE TRUE TRUE TRUE TRUE > [18] TRUE TRUE TRUE TRUE FALSE FALSE TRUE TRUE TRUE TRUE TRUE > TRUE TRUE FALSE TRUE TRUE TRUE > [35] FALSE TRUE TRUE TRUE TRUE FALSE FALSE FALSE TRUE TRUE FALSE > TRUE TRUE FALSE FALSE TRUE FALSE > [52] TRUE TRUE TRUE TRUE TRUE FALSE TRUE TRUE FALSE TRUE > > How can i get the values smaller than x and not the TRUE/FALSE reply? if the dataframe is called RSF_EU, and you want the entire dataframe for those rows, then RSF_EU [ (RSF_EU$AREA <= x ), ] if you want to get only that column vector and nothing else RSF_EU$AREA [ ( RSF_EU$AREA <= x ) ] Such concepts are very well-explained in "An Introduction to R" which you would benefit by reading at the earliest. Ranjan > Thanks in advance, > Thomas > > ______________________________________________ > R-help@stat.math.ethz.ch 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@stat.math.ethz.ch 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.