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by fjkdlsjflkds
979 days ago
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The reason why the arsinh transformation is useful (and this is not mentioned in the link you posted) is that it is the optimal variance-stabilizing transformation [1] under the assumption that your data is contaminated by a mixture of additive and multiplicative noise (the same way that the log transformation is the optimal variance-stabilizing transformation when your data is contaminated only by multiplicative noise). Read the Wikipedia article for a more formal explanation. [1] https://en.m.wikipedia.org/wiki/Variance-stabilizing_transfo... |
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