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Techniques for analyzing the relationship between one (or more) "dependent" variables and "independent" variables.

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Why does the MAE of my estimation improve substantially when I divide it by 10 (in a very no...

Apparently, when my linear regression makes its prediction - it has something like -1000 MAE (when compared to the MAE of an all-zero vector), and as I divide the estimation of every observation by some … Why is it that my linear regression guesses numbers that are so big, such that they harm the MAE score so significantly? Is there any good method to deal with that? …
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