Dear Sara, You could also use the Subbotools package by Giulio Bottazzi and test the goodness of fit of your data to this distribution.
See: http://www.lem.sssup.it/WPLem/files/2004-14.pdf Also, http://cafim.sssup.it/~giulio/software/subbotools/install_cygwin.html Regards, José Mr José Luis Iparraguirre Senior Research Economist Economic Research Institute of Northern Ireland 2 -14 East Bridge Street Belfast BT1 3NQ Northern Ireland United Kingdom Tel: +44 (0)28 9072 7365 ______________________________________________ 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.