rkevinbur...@charter.net wrote: > I had a question about the basic power functions in R. > > For example from the R console I enter: > > -1 ^ 2 > [1] -1 > > but also > > -1^3 > [1] -1 > > -0.1^2 > [1] -0.01 > > Normally pow(-1, 2) return either -Infinity or NaN. Has R taken over the math > functions? If so I would think that -1^2 is 1 not -1 and -0.1^2 is 0.01 not > -0.01. >
(-1)^2 # 1, not -1 it's similar to the case 1:3-1 1:(3-1) it's about operator precedence. vQ ______________________________________________ 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.
