WorksheetFunction.Fisher Method
Returns the Fisher transformation at x. This transformation produces a function that is normally distributed rather than skewed. Use this function to perform hypothesis testing on the correlation coefficient.
Namespace: Microsoft.Office.Interop.Excel
Assembly: Microsoft.Office.Interop.Excel (in Microsoft.Office.Interop.Excel.dll)
Syntax
'Declaration
Function Fisher ( _
Arg1 As Double _
) As Double
'Usage
Dim instance As WorksheetFunction
Dim Arg1 As Double
Dim returnValue As Double
returnValue = instance.Fisher(Arg1)
double Fisher(
double Arg1
)
Parameters
Arg1
Type: System.Doublex - a numeric value for which you want the transformation.
Return Value
Type: System.Double
Remarks
If x is nonnumeric, Fisher returns the #VALUE! error value.
If x ≤ -1 or if x ≥ 1, Fisher returns the #NUM! error value.
The equation for the Fisher transformation is:
Figure 1: Equation for the Fisher transformation
.jpg "Equation for the Fisher transformation")