# FISHER

FISHER is an Excel formula that returns the Fisher transformation of a given value. The Fisher transformation is used to convert a non-normal distribution to a normal distribution, making it easier to analyze using statistical methods that assume normality. This formula is commonly used in finance and economics to analyze stock returns and other financial data.

## FISHER Syntax

The syntax for the FISHER formula is:

=FISHER(x)

Where x is the value you want to transform.

## FISHER Examples

Example 1: If you have a set of stock returns that are not normally distributed, you can use the FISHER formula to transform them into a normal distribution. For example, if you have a return of 10%, you can use the formula =FISHER(0.1) to get a transformed value of 0.1003.

Example 2: You can also use the FISHER formula to calculate the correlation coefficient between two sets of data. For example, if you have two sets of data in cells A1:A10 and B1:B10, you can use the formula =FISHER(CORREL(A1:A10,B1:B10)) to get the Fisher transformation of the correlation coefficient.

## FISHER Tips & Tricks

• The FISHER formula is most commonly used in conjunction with other statistical formulas, such as CORREL and TTEST.
• The FISHER formula can only be used with continuous data.
• The FISHER formula assumes that the data is normally distributed after transformation.

## Common Mistakes When Using FISHER

• Forgetting to close the parentheses after the value you want to transform.
• Using the FISHER formula with non-continuous data.
• Assuming that the transformed data is normally distributed without checking.

## Why Isn’t My FISHER Working?

If your FISHER formula is not working, it could be due to a number of reasons:

• You may have forgotten to close the parentheses after the value you want to transform.
• You may be using the FISHER formula with non-continuous data.
• Your data may not be suitable for transformation using the FISHER formula.

## FISHER: Related Formulae

• CORREL: Calculates the correlation coefficient between two sets of data.
• TTEST: Calculates the probability that two sets of data are different.
• STDEV: Calculates the standard deviation of a set of data.
• MEAN: Calculates the mean of a set of data.
• NORMDIST: Calculates the probability of a value occurring in a normal distribution.

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