Fernando Although the hole effect model is a little ustable mathematically, we have had considerable success in practice by combining it with a spherical component.
We call this 'model' the Paddington Mix and have used it in several field studies where there is a cyclic component in addition to the more usual continuity. You can see how it works in our kriging game which can be freely downloaded from my briefcase at: http://uk.geocities.com/drisobelclark/briefcase.html Isobel __________________________________________________ Do You Yahoo!? Everything you'll ever need on one web page from News and Sport to Email and Music Charts http://uk.my.yahoo.com -- * 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
