Add visuals in app.py

app.py

@@ -269,8 +269,8 @@ st.sidebar.header("Filter Data")
 @st.cache_data
 def load_data():
 
-    admissions_df = pd.read_csv('data/admissions.csv')
-    patients_df = pd.read_csv('data/patients.csv')
+    admissions_df = pd.read_feather('data/admissions.feather')
+    patients_df = pd.read_feather('data/patients.feather')
     # diagnoses_icd_df = pd.read_csv('data/diagnoses_icd.csv')
     # pharmacy_df = pd.read_csv('data/pharmacy.csv')
     # prescriptions_df = pd.read_csv('data/prescriptions.csv')