absolute_error          Calculate absolute error regression loss.
absolute_percent_error
                        Calculate absolute percent error regression
                        loss.
ae                      Calculate absolute error between actual and
                        forecast.
ape                     Calculate absolute percent error between actual
                        and forecast.
e                       Calculate error between actual and forecast.
explained_variance_score
                        Calculate explained variance regression score
                        function.
log_error               Calculate log error regression loss.
mape                    Calculate mean absolute percent error between
                        actual and forecast.
mean_absolute_error     Calculate mean absolute error regression loss.
mean_absolute_percent_error
                        Calculate mean absolute percent error
                        regression loss.
mean_absolute_scaled_error
                        Calculate mean absolute scaled error regression
                        loss.
mean_error              Calculate mean error regression loss.
mean_percent_error      Calculate mean percent error regression loss.
mean_squared_error      Calculate mean squared error regression loss.
mean_squared_log_error
                        Calculate mean squared log error regression
                        loss.
median_absolute_error   Calculate median absolute error regression
                        loss.
median_absolute_percent_error
                        Calculate median absolute percent error
                        regression loss.
median_percent_error    Calculate median percent error regression loss.
median_squared_error    Calculate median squared error regression loss.
median_squared_log_error
                        Calculate median squared log error regression
                        loss.
pe                      Calculate percent error between actual and
                        forecast.
percent_error           Calculate percent error regression loss.
r2_score                Calculate R^2 (coefficient of determination)
                        regression score function.
rmse                    Calculate root mean squared error.
scorer                  scorer: Quickly Score Models in Data Science
                        and Machine Learning.
squared_error           Calculate squared error regression loss.
squared_log_error       Calculate squared log_error regression loss.
symmetric_mean_absolute_percent_error
                        Calculate symmetric mean absolute percent error
                        regression loss.
symmetric_median_absolute_percent_error
                        Calculate symmetric median absolute percent
                        error regression loss.
total_variance_score    Calculate total variance regression score
                        function.
unexplained_variance_score
                        Calculate unexplained variance regression score
                        function.
