Refactor MMA ROO functions to use more explicit DataFrame masking for odds calculation

function_hold/MMA_functions.py

@@ -18,8 +18,10 @@ def DK_MMA_ROO_Build(projections_file, std_var, distribution_type):
     
     projects_raw = projections_file.copy()
     projects_raw = projects_raw.replace(np_nan, "")
-    projects_raw['KO_odds'] = projects_raw['KO_odds'].replace("", (200-projects_raw['Median']) * 10)
-    projects_raw['Sub_odds'] = projects_raw['Sub_odds'].replace("", (200-projects_raw['Median']) * 10)
+    mask = projects_raw['KO_odds'] == ""
+    projects_raw.loc[mask, 'KO_odds'] = (200 - projects_raw.loc[mask, 'Median']) * 10
+    mask = projects_raw['Sub_odds'] == ""
+    projects_raw.loc[mask, 'Sub_odds'] = (200 - projects_raw.loc[mask, 'Median']) * 10
     projects_raw['range_initial'] = np_where(projects_raw['KO_odds'] < projects_raw['Sub_odds'], projects_raw['KO_odds'], projects_raw['Sub_odds'])
     projects_raw['range_var'] = projects_raw['range_initial'].apply(moneyline_to_probability)
 
@@ -243,8 +245,10 @@ def FD_MMA_ROO_Build(projections_file, std_var, distribution_type):
         
     projects_raw = projections_file.copy()
     projects_raw = projects_raw.replace(np_nan, "")
-    projects_raw['KO_odds'] = projects_raw['KO_odds'].replace("", (200-projects_raw['Median']) * 10)
-    projects_raw['Sub_odds'] = projects_raw['Sub_odds'].replace("", (200-projects_raw['Median']) * 10)
+    mask = projects_raw['KO_odds'] == ""
+    projects_raw.loc[mask, 'KO_odds'] = (200 - projects_raw.loc[mask, 'Median']) * 10
+    mask = projects_raw['Sub_odds'] == ""
+    projects_raw.loc[mask, 'Sub_odds'] = (200 - projects_raw.loc[mask, 'Median']) * 10
     projects_raw['range_initial'] = np_where(projects_raw['KO_odds'] < projects_raw['Sub_odds'], projects_raw['KO_odds'], projects_raw['Sub_odds'])
     projects_raw['range_var'] = projects_raw['range_initial'].apply(moneyline_to_probability)
     fd_df = projects_raw.sort_values(by='Median', ascending=False)