Hi, I am not sure about "correct", but R stores logical values TRUE/FALSE as 1/0 already so simply changing the mode would suffice:
mode(x) <- "numeric" alternately x + 0 HTH, Josh On Wed, Jul 20, 2011 at 8:16 AM, Julian TszKin Chan <cjul...@bu.edu> wrote: > Hi all, > > Suppose I have a matrix of logical value: > > x<-matrix(c(TRUE,FALSE,TRUE,FALSE,TRUE,FALSE,TRUE,FALSE,TRUE),nrow=3) > > I would like to change the value of FALSE to 0 and TRUE to 1. An > obvious way to do it is : > y<-as.numeric(x) > > However this method doesn't keep the dim of x. I also need to copy the > dim information to y too. > attributes(y)<-attributes(x) > > Is this a correct way to do it in R? Is there any single step function > which can do the something? Thanks > > > Regards, > TszKin Julian > > ______________________________________________ > 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. > -- Joshua Wiley Ph.D. Student, Health Psychology University of California, Los Angeles https://joshuawiley.com/ ______________________________________________ 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.