Regression confusion

Giganews Newsgroups
Subject: Regression confusion
Posted by:  twm1…@psu.edu
Date: Mon, 06 Oct 2003

How is regression analysis used in excel to find the coefficients, a,b,c of
an equation of the form z=ax+by+cxy?
I know it's possible but ive only got experience with single variable
polynomials.

Thanks for the help!!

Tom Morris

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