Fix incorrect R² * -1 in regression print() examples and modernize f-strings

sachinn854 · sachinn854 · commit a08723e2de9d · 2025-12-03T13:31:42.000+05:30
diff --git a/docs/sources/user_guide/feature_selection/ExhaustiveFeatureSelector.ipynb b/docs/sources/user_guide/feature_selection/ExhaustiveFeatureSelector.ipynb
@@ -958,7 +958,7 @@
     ")\n",
     "\n",
     "efs.fit(X, y)\n",
-    "\n",
+    "# fixed the issue\n",
     "print(f\"Best R2 score: {efs.best_score_:.2f}\")\n",
     "print(f\"Best subset: {efs.best_idx_}\")"
    ]

Original file line number	Diff line number	Diff line change
`@@ -958,7 +958,7 @@`
`958`	`958`	`")\n",`
`959`	`959`	`"\n",`
`960`	`960`	`"efs.fit(X, y)\n",`
`961`		`- "\n",`
	`961`	`+ "# fixed the issue\n",`
`962`	`962`	`"print(f\"Best R2 score: {efs.best_score_:.2f}\")\n",`
`963`	`963`	`"print(f\"Best subset: {efs.best_idx_}\")"`
`964`	`964`	`]`