fisher
Fisher transformation of a correlation coefficient.
Syntax
Section titled “Syntax”v = fisher(x)Description
Section titled “Description”Returns 0.5 * ln((1+x) / (1-x)) — the Fisher z-transform. Used to make confidence intervals on correlation coefficients approximately normal. x must be in (-1, 1).
Example
Section titled “Example”fisher(0.5) % ≈ 0.5493