Function $expMovingAvg

$expMovingAvg(_, collection, expr, options): Any
Returns the exponential moving average of numeric expressions applied to documents in a partition defined in the $setWindowFields stage.
Parameters
- _: AnyObject
- collection: AnyObject[]
- expr: WindowOperatorInput
- options: Options
Returns Any
- Defined in src/operators/window/expMovingAvg.ts:11