TD_SMOOTHMA ( series-specification , FUNC_PARAMS ( FORECAST_PERIODS ( integer ), MA ( MEAN | CUMULATIVE | EXPONENTIAL ) [, PREDICTION_INTERVALS ( NONE | '80' | '95' | BOTH ) ] [, WINDOW ( integer ) ] [, LAMBDA ( float ) ] [, WEIGHTS ( float, float, ... ) ] [, WELL_KNOWN ( 3MA | 5MA | 2x12MA | 3x3MA | 3x5MA | S15MA | S21MA| H5MA | H9MA | H13MA | H23MA ) ) ] [, FIT_METRICS ( 1 | 0 ) , ] [, RESIDUALS ( 1 | 0 ) ] [, OUTPUT_FMT ( index-specification ) ] )