Returns the approximation of the area under a curve, which is calculated using the trapezoidal rule where each set of adjacent documents form a trapezoid using the:
Specifies the expression to evaluate. You must provide an expression that returns a number.
Optional
A string that specifies the time unit.
5.0
https://www.mongodb.com/docs/manual/reference/operator/aggregation/integral/#mongodb-expression-exp.-integral
Returns the approximation of the area under a curve, which is calculated using the trapezoidal rule where each set of adjacent documents form a trapezoid using the: