iSixSigma

R-Square Adjusted

Definition of R-Square Adjusted:

Unlike R-square, R-square adjusted takes into account the number of X’s and the number of data points.

Formula: R-sq (adj) = 1 – [(SS(error)/DF(error)) / (SS(total)/DF(total))]

Takes into account the number of Xs and the number of data points. Also answers how much of total variation is explained by X.

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