# FISHER function

This article describes the formula syntax and usage of the FISHER function in Microsoft Excel.

## Description

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.

## Syntax

FISHER(x)

The FISHER function syntax has the following arguments:

• X    Required. A numeric value for which you want the transformation.

## 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:

## Example

Copy the example data in the following table, and paste it in cell A1 of a new Excel worksheet. For formulas to show results, select them, press F2, and then press Enter. If you need to, you can adjust the column widths to see all the data.

Formula

Description

Result

=FISHER(0.75)

Fisher transformation at 0.75

0.9729551