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Update R squared authored by gillesc92's avatar gillesc92
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2.-Statistics/R-squared.md
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...@@ -71,14 +71,16 @@ In data analysis, this fallacy occurs when researchers fit multiple models or te ...@@ -71,14 +71,16 @@ In data analysis, this fallacy occurs when researchers fit multiple models or te
Adjusted R² is an alternative to R² that adjusts for the number of predictors in the model. Unlike R², which increases whenever a new predictor is added (even if it doesn’t improve the model), adjusted R² only increases if the new predictor improves the model more than would be expected by chance. Adjusted R² is an alternative to R² that adjusts for the number of predictors in the model. Unlike R², which increases whenever a new predictor is added (even if it doesn’t improve the model), adjusted R² only increases if the new predictor improves the model more than would be expected by chance.
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<img id="adjustedRsquared" src="../images/formulas/AdjustedRSquared_light.png" alt="Adjusted R² Formula">
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