https://mongodb.github.io/mongo-csharp-driver/2.22/html/M_MongoDB_Driver_Linq_ISetWindowFieldsPartitionExtensions_CovarianceSample__1_9.htm
ISetWindowFieldsPartitionExtensions.CovarianceSample(TInput) Method...
Returns the sample covariance of two numeric expressions that are evaluated using documents in the partition window.
method
https://mongodb.github.io/mongo-csharp-driver/2.22/html/M_MongoDB_Driver_Linq_ISetWindowFieldsPartitionExtensions_CovarianceSample__1_6.htm
ISetWindowFieldsPartitionExtensions.CovarianceSample(TInput) Method...
Returns the sample covariance of two numeric expressions that are evaluated using documents in the partition window.
method