hi, thanks very much for the equation. its exactly what i was looking for! thanks :)
anthony [EMAIL PROTECTED] (Jon Cryer) wrote in message news:<[EMAIL PROTECTED]>... > Anthony: > > You can't do it "after the fact." If you want the intercept to be 5 (say), > subtract 5 from all > of your response (y) values. Then regress these new response values on your > predictor (explanatory) > variable(s) but using the no intercept (or no constant) option in your > regression software. > > In the case of a single predictor variable, the formula for the least > squares slope is just > slope = Sum[(y-5)*x}/Sum[x^2} where I am assuming a fixed intercept of 5. > > By the way, if you are using Excel you are out of luck. I am told that > Excel is not programmed > to do least squares with no intercept. > > Hope this helps. > > Jon Cryer > . . ================================================================= Instructions for joining and leaving this list, remarks about the problem of INAPPROPRIATE MESSAGES, and archives are available at: . http://jse.stat.ncsu.edu/ . =================================================================
