add model

app.py

@@ -37,8 +37,10 @@ def prophet_ts(symbol, periods = 10):
                                  name = f"{symbol}_pred"
                                 ))
     return fig
-st.title("Vietnam Trading by Prophet")
+
+st.title("Vietnam Trading by Time Series")
+model = st.selectbox("model", ["ARIMA", "Propphet"])
 sb = st.text_input('Symbol', 'FPT')
-periods = st.slider('period', 1, 365, 28)
+periods = st.slider('Period', 1, 365, 28)
 fig = prophet_ts(symbol=sb, periods = periods)
 st.plotly_chart(fig, use_container_width=True)