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accuracy disparity -> differential validity
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jphall663 committed Jul 30, 2020
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Common metrics for DI and \textbf{\textit{group}} disparities:\\
\begin{itemize}
\item Accuracy disparity: $\frac{\text{accuracy}_p}{\text{accuracy}_r}$
\item Differential validity: $\frac{\text{accuracy}_p}{\text{accuracy}_r}$
\item Adverse impact ratio: $\frac{\text{\% accepted}_p }{ \text{\% accepted}_r}$
\item Marginal effect: $\text{\% accepted}_p - \text{\% accepted}_r$
\item Standardized mean difference: $\frac{\bar{\hat{y}}_p - \bar{\hat{y}}_r}{\sigma_{\hat{y}}}$
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