How to add random numbers to an existing data frame for Validation
Try ?sample at the command prompt. (Note the "replace" option.) THK
On Thu, 2004-08-19 at 01:12, Susanne Osterkamp wrote:
Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Received-SPF: none (hypatia: domain of sokamp at web.de does not designate permitted sender hosts) X-Virus-Scanned: by amavisd-new at stat.math.ethz.ch X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on hypatia.math.ethz.ch X-Spam-Level: ** X-Spam-Status: No, hits=2.5 required=5.0 tests=AWL,BAYES_50 autolearn=no version=2.63 Hello everybody, I would like to validate my data for working with CART I need to now how to randomize eithter the ID column in my already existing data frame or how to create a randomized column of some 6800 intgers to fit it to my data frame. I did not understand the manual concerning the possibilities to random data, sorry. Thanks a lot for your help! Susanne Osterkamp
_______________________________________________________ WEB.DE Video-Mail - Sagen Sie mehr mit bewegten Bildern _______________________________________________ R-sig-Geo mailing list R-sig-Geo at stat.math.ethz.ch https://stat.ethz.ch/mailman/listinfo/r-sig-geo
Timothy H. Keitt Section of Integrative Biology University of Texas at Austin http://www.keittlab.org/