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substantive significance

-how strong the relationship is. more slope is better


-how close/far the dots are fome the line. closer is better

statistical significance

-how reliable? if you were to take a survey of people, what chance will it be the same?

cross tabulation

-substative significance for nominal and ordinal data
-independent variable in the the column
-eyeball data-compare column %

PRE measures

original err rate - new err rate / original err rate
-how accurate you will predict the vaiable by only knowing one variable
1=perfect correlation, 0= no correlation
-bigger is better

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