summary() in functions seems to print nothing. str() does print something. why? -- Sam Steingold (http://sds.podval.org/) on CentOS release 5.3 (Final) http://mideasttruth.com http://truepeace.org http://iris.org.il http://pmw.org.il http://jihadwatch.org http://ffii.org A year spent in artificial intelligence is enough to make one believe in God.