WorksheetFunction.Covar Method

  • Article
Excel Developer Reference

Returns covariance, the average of the products of deviations for each data point pair.

Syntax

expression.Covar(Arg1, Arg2)

expression   A variable that represents a WorksheetFunction object.

Parameters

Name Required/Optional Data Type Description
Arg1 Required Variant The first cell range of integers.
Arg2 Required Variant The second cell range of integers.

Return Value
Double

Remarks

Use covariance to determine the relationship between two data sets. For example, you can examine whether greater income accompanies greater levels of education.

  • The arguments must either be numbers or be names, arrays, or references that contain numbers.

  • If an array or reference argument contains text, logical values, or empty cells, those values are ignored; however, cells with the value zero are included.

  • If

    Arg1

  • If either

    Arg1

  • The covariance is:

    Equation

    where x and y are the sample means AVERAGE(array1) and AVERAGE(array2), and n is the sample size.

See Also