Hi list, Can somebody explain why there are these warning messages? I just don't get it. I'm using R 2.15.1 on WinXP.
Thanks! Tao > x [1] -2.143510 -1.157450 -1.315581 1.033562 -1.225440 -1.179909 > ifelse(x>0, log2(x), -log2(-x)) [1] -1.099975 -0.210950 -0.395700 0.047625 -0.293300 -0.238675 Warning messages: 1: In ifelse(x > 0, log2(x), -log2(-x)) : NaNs produced 2: In ifelse(x > 0, log2(x), -log2(-x)) : NaNs produced ______________________________________________ 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.
