Thomas Preuth 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$AREA<=x) I receiv as answer: > > test > [1] TRUE FALSE FALSE TRUE TRUE TRUE FALSE FALSE TRUE TRUE TRUE > FALSE TRUE TRUE TRUE TRUE TRUE > [18] TRUE TRUE TRUE TRUE FALSE FALSE TRUE TRUE TRUE TRUE TRUE > TRUE TRUE FALSE TRUE TRUE TRUE > [35] FALSE TRUE TRUE TRUE TRUE FALSE FALSE FALSE TRUE TRUE FALSE > TRUE TRUE FALSE FALSE TRUE FALSE > [52] TRUE TRUE TRUE TRUE TRUE FALSE TRUE TRUE FALSE TRUE > > How can i get the values smaller than x and not the TRUE/FALSE reply?
This is covered in http://cran.r-project.org/doc/manuals/R-intro.html (Section 2.7; Index vectors; selecting and modifying subsets of a data set) RSF_EU$AREA[RSF_EU$AREA <= x] or to retain other columns in the data frame subset(RSF_EU, AREA <= x) > Thanks in advance, > Thomas > > ______________________________________________ > [email protected] 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. -- Chuck Cleland, Ph.D. NDRI, Inc. 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 512-0171 (M, W, F) fax: (917) 438-0894 ______________________________________________ [email protected] 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.
