On 07/19/2013 07:32 AM, Dirk Eddelbuettel wrote: > Oh, and stop using the hidous '=' for assignment in R;-) > > Dirk And, real names are mandatory mystery guest ;o) -- Rodney Sparapani, PhD Manager of Statistical & Computational Operations Center for Patient Care and Outcomes Research (PCOR) Medical College of Wisconsin (MCW), Milwaukee, WI