Rare card
Fisher transformation
- Value
- 50 W
- Attack
- 751
- Defence
- 601
- Players
- 0
In statistics, the Fisher transformation (or Fisher z-transformation) of a Pearson correlation coefficient is its inverse hyperbolic tangent (artanh). When the sample correlation coefficient r is near 1 or -1, its distribution is highly skewed, which makes it difficult to estimate confidence…
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