"Bald Eagle" <cre### [at] netscapenet> wrote:
>
> https://math.stackexchange.com/questions/63238/why-do-we-use-a-least-squares-fit
>

Those stackexchange links are proving to be fascinating and really informative;
thanks! Yes, I see now that 'squaring' has many purposes (and Pythagorean
antecedents) regarding the 'sum of squares' method. Lots to absorb!

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