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average square distance (ASD) (Goldstein et al. 1995b; Slatkin 1995) [Goldstein, D.B. 97]


\begin{displaymath}
ASD=\frac{\sum ^{r}_{k}\sum _{i,j}\left( \left( i-j\right) ^{2}x_{ik}y_{jk}\right) }{r}\end{displaymath}



Olivier Langella 2002-03-20