[rules-users] Best practice for avg. on Collection of objects?

Hi all, I'd like to assert an arbitrarily sized Collection of like-typed objects into working memory and calculate an average for one of the attributes on the objects. Is there a best practice for such an operation? Thanks much, Rick ************************************************************************* The information contained in this communication is confidential, is intended only for the use of the recipient named above, and may be legally privileged. If the reader of this message is not the intended recipient, you are hereby notified that any dissemination, distribution or copying of this communication is strictly prohibited. If you have received this communication in error, please resend this communication to the sender and delete the original message or any copy of it from your computer system. Thank you. *************************************************************************