From: Mark Shore on
>
> Is someone able to provide some practicable advice in relation to my
> questions regarding polynomial fitting with ridge regression?
>
> John, maybe I didn't make myself abundantly clear — I am no expert in
> this matter; far from it. I have posted a genuine question that I am
> hoping to have either answered or critiqued. I welcome criticism but
> your reply is clearly an attempt to offend rather than inform.

J B, not to put too fine a point on it, there is a significant difference between being told one is attempting to *do* something foolish and being told one *is* a fool.
From: Walter Roberson on
John D'Errico wrote:
> Throwing ridge
> regression at the problem cannot make a silk purse from
> a sow's ear.

John, perhaps the OP could download Bill Watterson's "Transmorgrifier
Toolbox" from the Matlab File Exchange (FEX).