Description Usage Arguments Details Value
Converts the robust effect size index to Cohen's d using formula from Vandekar, Rao, & Blume (2020).
1 |
S |
The robust effect size index. |
pi |
The sampling proportions. |
The pi parameter comes from the fact that Cohen's d doesn't account for unequal sample proportions in the population, but S does. The default is set to a natural value 1/2, which corresponds to a case control design, for example, where sampling proportions always are controlled by the experimenter.
Returns an estimate the robust effect size index
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