At 19:06 08/05/2011, you wrote:
Hello everyone,I am attempting to use the %in% operator with the ! to produce a NOT IN type of operation. Why does this not work? Suggestions? > data2[data1$char1 %in% c("string1","string2"),1]<-min(data1$x1) > data2[data1$char1 ! %in% c("string1","string2"),1]<-max(data1$x1)+1000 Error: unexpected '!' in "data2[data1$char1 !" Thanks! Dan XXXX [[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.
Hi Dan See the last of the examples for ?match "%w/o%" <- function(x, y) x[!x %in% y] #-- x without y (1:10) %w/o% c(3,7,12) I think it was Peter Dalgaard who pointed this out some years ago HTH Regards Duncan Mackay Department of Agronomy and Soil Science University of New England ARMIDALE NSW 2351 Email: home mac...@northnet.com.au ______________________________________________ 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.
