poolloopus <at> yahoo.com <poolloopus <at> yahoo.com> writes:
> > Can someone please enlighten me as to why the following happens? > > -2.7^8.6 > [1] -5125.407 > > > p<- -2.7 > > q<- 8.6 > > p^q > [1] NaN > R seems perfectly able to calculate -2.7^8.6, but fails when the exact same values are assigned to > variables and then the computation is repeated. > Thanks in advance for any suggetsions. > Kris. The problem is the grouping is not what you are expecting it is. Try (-2.7)^8.6 and p <- 2.7 q <- 8.6 p^q Mark ______________________________________________ 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.