On Sat, 2010-01-02 at 23:20 -0800, Saji Ren wrote: > Hi, R users: > > I want to fit my data into a normal distribution by using the command > "fitdistr" in "MASS". > I changed my data class from "ts" to "numeric" by > > >class(mydata)="numeric" > > but after using "fitdistr", I got the result below > > >fitdistr(mydata,"normal") > mean sd > NA NA > (NA) (NA) > > the help doc of "fitdistr" does not mention anything about that, thus I need > your help. > > Thank you in advanced, > Saji from Shanghai
Hi Sajj, You hava NA in your data try: fitdistr(na.exclude(mydata),"normal") -- Bernardo Rangel Tura, M.D,MPH,Ph.D National Institute of Cardiology Brazil ______________________________________________ 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.
