Update app.py

app.py

@@ -113,12 +113,12 @@ def regression(df,dep):
         },
     ]
 
-    search = GridSearchCV(pipe, param_grid=parameters, cv=5, n_jobs=-1, scoring='neg_mean_absolute_percentage_error')
+    search = GridSearchCV(pipe, param_grid=parameters, cv=5, n_jobs=-1, scoring='r2')
     search.fit(X_train,y_train)
 
     result = pd.DataFrame(search.cv_results_)[['params','rank_test_score','mean_test_score']]
     
-    result['mean_test_score']= (result['mean_test_score']+1)*100
+    result['mean_test_score']= (result['mean_test_score'])*100
     result = result.astype({'params': str})
     
     result.sort_values('rank_test_score',inplace=True)