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FISHER
Spread Silverlight Documentation > Formula Reference > Formula Functions > FISHER

Summary

This function returns the Fisher transformation for a specified value.

Syntax

FISHER(value)

Arguments

Provide a numeric value that is less than 1 and greater than –1 for which you want the transformation.

Remarks

This transformation produces an approximately normal distribution. Use this function to perform hypothesis testing on the correlation coefficient.

The Fisher transformation is calculated as follows:

FISHER Equation

where x is the value argument.

Data Types

Accepts numeric data. Returns numeric data.

Examples

FISHER(A43)

FISHER(R4C12)

FISHER(-0.65) gives the result -0.7752987062

See Also