Interface Derivative

Hierarchy

Derivative

Index

Properties

$derivative

Properties

$derivative

$derivative: { input: NumberExpression; unit?: DateUnit }

Returns the average rate of change within the specified window, which is calculated using the:

version: 5.0
see: https://docs.mongodb.com/manual/reference/operator/aggregation/derivative/#mongodb-expression-exp.-derivative

Type declaration

input: NumberExpression

Specifies the expression to evaluate. The expression must evaluate to a number.
Optional unit?: DateUnit

A string that specifies the time unit.

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