Re: [R] HELP asin transformation

2015-02-24 Thread Marc Girondot
Le 22/02/2015 19:28, CHIRIBOGA Xavier a écrit : Dear all, I attempted to transform my data using "asin" but a WARNING message appears: dat1$Abu.tr<-asin(sqrt(dat1$Abundance/100)) Warning message: In asin(sqrt(dat1$Abundance/100)) : NaNs produced What does it mean? Is it a problem? How ca

Re: [R] HELP asin transformation

2015-02-24 Thread Marc Girondot
Le 22/02/2015 19:28, CHIRIBOGA Xavier a écrit : Dear all, I attempted to transform my data using "asin" but a WARNING message appears: dat1$Abu.tr<-asin(sqrt(dat1$Abundance/100)) Warning message: In asin(sqrt(dat1$Abundance/100)) : NaNs produced What does it mean? Is it a problem? How ca

Re: [R] HELP asin transformation

2015-02-22 Thread Ben Bolker
CHIRIBOGA Xavier unine.ch> writes: > > Dear all, > > I attempted to transform my data using "asin" but a WARNING message appears: > > dat1$Abu.tr<-asin(sqrt(dat1$Abundance/100)) > Warning message: > In asin(sqrt(dat1$Abundance/100)) : NaNs produced > > What does it mean? Is it a problem? How

Re: [R] HELP asin transformation

2015-02-22 Thread Jeff Newmiller
This is a math question, not an R question. You cannot give numbers to asin that are less than -1 or greater than 1 and get a defined answer. --- Jeff NewmillerThe . . Go Live... DCN: