diff --git a/model_selection/hyperparam_tuning.py b/model_selection/hyperparam_tuning.py
index 042ab119763a8d6a1f8b5eca795fec1baf601c0e..e688b7cb4f9d0e3789dcb91374c1faa20e67e281 100644
--- a/model_selection/hyperparam_tuning.py
+++ b/model_selection/hyperparam_tuning.py
@@ -143,7 +143,7 @@ if __name__ == "__main__":
     # Store each df as a sheet in an excel file
     sheets_dict = {}
     for i, group in enumerate(['pre']):
-        for j, method in enumerate(['over_']): #['', '', 'over_', 'under_']
+        for j, method in enumerate(['under_']): #['', '', 'over_', 'under_']
             # Get dataset based on group and method
             X = data_dic['X_train_' + method + group]
             y = data_dic['y_train_' + method + group]
@@ -153,7 +153,7 @@ if __name__ == "__main__":
             # Save results: params and best score for each of the mdodels of this method and group
             hyperparam_df = pd.DataFrame(index=list(models.keys()), columns=['Parameters','Score'])
             for model_name, model in models.items():
-                print(f"{group}-{method_names[2]}-{model_name}")
+                print(f"{group}-{method_names[3]}-{model_name}")
                 # Find optimal hyperparams for curr model
                 params = hyperparameters[model_name]
                 search = RandomizedSearchCV(model, param_distributions=params, cv=cv, n_jobs=8, scoring='precision')
@@ -162,11 +162,11 @@ if __name__ == "__main__":
                 hyperparam_df.at[model_name,'Score']=round(search.best_score_,4)
             
             # Store the DataFrame in the dictionary with a unique key for each sheet
-            sheet_name = f"{group}_{method_names[j]}"
+            sheet_name = f"{group}_{method_names[3]}"
             sheets_dict[sheet_name] = hyperparam_df
 
     # Write results to Excel file
-    with pd.ExcelWriter('./output/hyperparam_pre_OVER.xlsx') as writer:
+    with pd.ExcelWriter('./output/hyperparam_pre_UNDER.xlsx') as writer:
         for sheet_name, data in sheets_dict.items():
             data.to_excel(writer, sheet_name=sheet_name)
 
diff --git a/model_selection/output/hyperparam_pre_UNDER.xlsx b/model_selection/output/hyperparam_pre_UNDER.xlsx
new file mode 100644
index 0000000000000000000000000000000000000000..555c86765aa5f80a4a5ab92f37637701bf548a03
Binary files /dev/null and b/model_selection/output/hyperparam_pre_UNDER.xlsx differ