Hello, Use
> x=rnorm(100, mean=3, sd=1) > library(MASS) >fitdistr(x, "normal") mean sd 2.93666631 0.99673982 (0.09967398) (0.07048015) Hope this helps, Shrieb ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html