Marketing Analytics, Customer Lifetime Value, K Means Clustering, Probabilistic Models, Data Science.
mean_squared_error(y_true=df_ch["n_transactions_holdout_real"], y_pred=df_ch["n_transactions_holdout_pred"], squared=False) RMSE #2.888243784621575 From the result, we get the root mean square error (RMSE), which is the standard deviation of the residuals (prediction errors): 2.888243784621575. The