Add data

app.py

@@ -12,21 +12,18 @@ from datetime import datetime, timedelta
 import pytz
 
 
-st.title("Vietnam Trading by Prophet")
-sb = st.text_input('Symbol', 'FPT')
-periods = st.slider('period', 1, 365, 28)
 
 start_date = str((datetime.now(pytz.timezone('Asia/Ho_Chi_Minh')) - timedelta(days=365)).strftime("%Y-%m-%d"))
 end_date = str((datetime.now(pytz.timezone('Asia/Ho_Chi_Minh')) - timedelta(days=0)).strftime("%Y-%m-%d"))
-loader = dt.DataLoader(symbol, start_date, end_date)
-data = loader.download()
-data.columns = [col[0] for col in data.columns]
-m = Prophet()
-pdf = pd.DataFrame()
-pdf['ds'] = data.index 
-pdf['y'] = data.close.values
 
 def prophet_ts(symbol, periods = 10):
+    loader = dt.DataLoader(symbol, start_date, end_date)
+    data = loader.download()
+    data.columns = [col[0] for col in data.columns]
+    m = Prophet()
+    pdf = pd.DataFrame()
+    pdf['ds'] = data.index 
+    pdf['y'] = data.close.values
     m.fit(pdf)
     future = m.make_future_dataframe(periods=periods)
     forecast = m.predict(future)
@@ -40,5 +37,8 @@ def prophet_ts(symbol, periods = 10):
                                  name = f"{symbol}_pred"
                                 ))
     return fig
+st.title("Vietnam Trading by Prophet")
+sb = st.text_input('Symbol', 'FPT')
+periods = st.slider('period', 1, 365, 28)
 fig = prophet_ts(symbol=sb, periods = periods)
 st.plotly_chart(fig, use_container_width=True)