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Window operators perform calculations across a set of documents in a specified window.
Other
| Description | |
|---|---|
$covariancePop |
The $covariancePop operator returns the covariance of two numerical expressions |
$covarianceSamp |
The $covarianceSamp operator returns the covariance of a sample of two numerical expressions |
$denseRank |
The $denseRank operator assigns and returns a positional ranking for each document within a partition based on a specified sort order |
$derivative |
The $derivative operator calculates the average rate of change of the value of a field within a specified window. |
$documentNumber |
The $documentNumber operator assigns and returns a position for each document within a partition based on a specified sort order |
$expMovingAvg |
The $expMovingAvg operator calculates the moving average of a field based on the specified number of documents to hold the highest weight |
$integral |
The $integral operator calculates the area under a curve with the specified range of documents forming the adjacent documents for the calculation. |
$linearFill |
The $linearFill operator interpolates missing values in a sequence of documents using linear interpolation. |
$locf |
The $locf operator propagates the last observed non-null value forward within a partition in a windowed query. |
$rank |
The $rank operator ranks documents within a partition based on a specified sort order. |
$shift usage on DocumentDB |
A window operator that shifts values within a partition and returns the shifted value. |