= DescTools documentation for gamma, Somers' D and lambda
{c}
Primary package documentation for https://andrisignorell.github.io/DescTools/reference/GoodmanKruskalGamma.html[GoodmanKruskalGamma], https://andrisignorell.github.io/DescTools/reference/SomersDelta.html[SomersDelta] and https://andrisignorell.github.io/DescTools/reference/Lambda.html[Lambda]. The Details sections specify the tied-pair exclusion in <Goodman and Kruskal's gamma>, directional denominators for <Somers' D>, and modal-prediction interpretation of <Goodman and Kruskal's lambda>. These definitions corroborate mathematical interpretation; the documentation does not identify the implementation or version of an unspecified `oii.xtab` wrapper in a past examination.
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