﻿ FISHER function

# FISHER function

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)

X     is 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

The example may be easier to understand if you copy it to a blank worksheet.

How to copy an example

1. Create a blank workbook or worksheet.

2. Select the example in the Help topic.

Note   Do not select the row or column headers.

Selecting an example from Help

3. Press CTRL+C.

4. In the worksheet, select cell A1, and press CTRL+V.

5. To switch between viewing the results and viewing the formulas that return the results, press CTRL+` (grave accent), or on the Formulas tab, in the Formula Auditing group, click the Show Formulas button.

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 A B Formula Description (Result) =FISHER(0.75) Fisher transformation at 0.75 (0.972955)

Applies To: Excel 2007

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