Fisher transformation
In statistics, the Fisher transformation (or Fisher z-transformation) of a Pearson correlation coefficient is its inverse hyperbolic tangent (artanh).
Fisher transformation - Wikipedia Jump to content From Wikipedia, the free encyclopedia Statistical transformation "Fisher z-transformation" redirects here; not to be confused with Fisher's z-distribution . A graph of the transformation (in orange). The untransformed sample correlation coefficient is plotted on the horizontal axis, and the transformed coefficient is plotted on the vertical axis. The identity function (gray) is also shown for comparison. In statistics , the Fisher transformation (or Fisher z -transformation ) of a Pearson correlation coefficient is its inverse hyperbolic tangen
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