Hi AI-Geostats Member Do you know how I can simulate a 2-D spatial Data set (of type geostatistics), which sill and nugget effect are constant but the range vary with direction (anisotropy in range). Note that I need the range vary irregular, not in a regularar shape such as ellipse. (I have an extention of elliptic anisotropy (of range) and want to show, by simulation, it works better than elliptic anisotropy.) Thank you: Yadollah Waghei Dep.of Biostatistics Tarbiat Modarres Univ.(Tehran)Po.Box: 14115-111 Tel:8011001-3872 Fax:8007989 ___________________________________________________________________________ Visit http://www.visto.com. Find out how companies are linking mobile users to the enterprise with Visto. -- * To post a message to the list, send it to [EMAIL PROTECTED] * As a general service to the users, please remember to post a summary of any useful responses to your questions. * To unsubscribe, send an email to [EMAIL PROTECTED] with no subject and "unsubscribe ai-geostats" followed by "end" on the next line in the message body. DO NOT SEND Subscribe/Unsubscribe requests to the list * Support to the list is provided at http://www.ai-geostats.org