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FISHER
Returns the Fisher transformation at x. This transformation produces a function that is approximately 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.
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The equation for the Fisher transformation is:
Example
The example may be easier to understand if you copy it to a blank spreadsheet.
How?
- Create a blank spreadsheet.
- Select the example in the Help topic.
Selecting an example from Help
- Press CTRL+C.
- In the spreadsheet, select cell A1, and press CTRL+V.
- To switch between viewing the formula that returns the result and the result in the cell, select the cell and press F2 and then ENTER, or click Commands and Options on the spreadsheet toolbar, click the Formula tab, and look in the Formula in active cell (active cell) box.
| Formula | Description (Result) |
|---|---|
| =FISHER(0.75) | Fisher transformation at 0.75 (0.972955) |