Update app.py

app.py

@@ -38,6 +38,7 @@ def run_linear_regression(X, y, alpha_prior, beta_prior, sigma_prior):
     ax[1].set_title('beta')
     ax[2].hist(samples['sigma'], bins=20, density=True)
     ax[2].set_title('sigma')
+    st.write("The plot of posterior samples is shown below:")
     st.pyplot(fig)
     st.write("The mean of alpha is", np.mean(samples['alpha']))
     st.write("The mean of beta is", np.mean(samples['beta']))