TD_SIMPLEEXP ( SERIES_SPEC , FUNC_PARAMS ( FORECAST_PERIODS ( integer ) [, FORECAST_STARTING_VALUE ( {‘MEAN’ | ‘FIRST’} ) ] [ , ALPHA ( float ) ] [ , PREDICTION_INTERVALS( { NONE | 80 | 95 | BOTH } ) ] [ , FIT_METRICS ( { 1 | 0 }) ] [ , RESIDUALS ( { 1 | 0 } ) ] ) [, OUTPUT_FMT (INDEX_STYLE ({ NUMERICAL_SEQUENCE | FLOW_THROUGH })) ] ;