thanx for that post, King. I've learned some good stuff from lowtrade. this following post of his was helpful to me in learning basics of multicollinearity. <A HREF="http://www.investorshub.com/boards/read_msg.asp?message_id=16407264" target="_blank">http://www.investorshub.com/boards/read_msg.asp?message_id=16407264</A>