docs-v2/content/flux/v0/stdlib/internal/promql/holtwinters.md

title	description	menu	weight
promql.holtWinters() function	`promql.holtWinters()` implements functionality equivalent to [PromQL's `holt_winters()` function](https://prometheus.io/docs/prometheus/latest/querying/functions/#holt_winters).	flux_v0_ref name parent identifier promql.holtWinters internal/promql internal/promql/holtWinters	201

promql.holtWinters() implements functionality equivalent to PromQL's holt_winters() function.

Important: The internal/promql package is not meant for external use.

Function type signature

(
    <-tables: stream[{A with _value: float, _time: time}],
    ?smoothingFactor: float,
    ?trendFactor: float,
) => stream[{B with _value: float}]

{{% caption %}} For more information, see Function type signatures. {{% /caption %}}

Parameters

tables

Input data. Default is piped-forward data (<-).

smoothingFactor

Exponential smoothing factor.

trendFactor

Trend factor.