I had the same problem. To me it looks like a typo in the code: should be "colnames" rather than "col.names": the function col.names doesn't exist, at least that I can find... what I did was to make a local copy of the leaps function in my directory and edit the line c ------------------------------------------------------------------------- claudia tebaldi NCAR RAP project scientist P.O. Box 3000 (303) 497-2830 Boulder, CO 80307 -------------------------------------------------------------------------- -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the "body", not the subject !) To: r-help-request at stat.math.ethz.ch _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._