2.-Statistics/R-squared.md

@@ -71,7 +71,11 @@ 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 Formula](../images/formulas/AdjustedRSquared.png)
+<picture>
+  <source srcset="../images/formulas/AdjustedRSquared_dark.png" media="(prefers-color-scheme: dark)">
+  <img src="../images/formulas/AdjustedRSquared_light.png" alt="Adjusted R² Formula">
+</picture>
+
 
 Where:
 - **n** is the number of observations.