Calculating gamma effect size for samples with zero median absolute deviation

In previous posts, I discussed the gamma effect size which is a Cohen’s d-consistent nonparametric and robust measure of the effect size. Also, I discussed various ways to customize this metric and adjust it to different kinds of business requirements. In this post, I want to briefly cover one more corner case that requires special adjustments. We are going to discuss the situation when the median absolute deviation is zero....

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