Update app.py

app.py

@@ -320,6 +320,13 @@ def server(input, output, session):
                                 )))).with_columns(
                     pl.col('pitch_type').count().over('pitch_type').alias('pitch_count')
                 ))
+
+            df = df.with_columns(
+                prop_percent=(pl.col('is_pitch') / pl.col('is_pitch').sum()).over("pitch_type"),
+                prop=pl.col('is_pitch').sum().over("pitch_type")
+            )
+
+            
             return df