FISHER function

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.

  • The equation for the Fisher transformation is:

    Equation

Example

Formula

Description (Result)

=FISHER(0.75)

Fisher transformation at 0.75 (0.972955)

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