Hello, The value for 'start' is not correct. According to the help for "fitdistr", 'start' should contain the paramaters used by the random function (?rchisq)
Hope this helps, Pascal On 20 November 2013 09:29, Jim Silverton <jim.silver...@gmail.com> wrote: > I generated some random data using R and then trying to see if it came from > the same distribution but the erros keep piling. Can anyone help? > > > > y=rchisq(100000,1) > mean(y) > var(y) > library(MASS) > fitdistr(y, "chi-squared", start = list(4), method = "Brent", lower=0.9, > upper=3) > > > -- > Thanks, > Jim. > > [[alternative HTML version deleted]] > > ______________________________________________ > 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. -- Pascal Oettli Project Scientist JAMSTEC Yokohama, Japan ______________________________________________ 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.
