On Friday 28 September 2007 03:39, S Bina wrote: > Hi, > > I cannot find the function kurtosis. Is it sth additional I am meant to > download? I use the MacOS X version of R. > > Many thanks > Samira If you have access to it, look at M. J. Crawley's Statistics: An Introduction Using R. See page 71-72 specifically. JWD