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Sanghvi's (1953) \( X^{2}\protect \) distance[Takezaki, N. 96]


\begin{displaymath}
X^{2}=\frac{\sum ^{r}_{j}\sum ^{m_{j}}_{i}2\frac{\left( x_{ij}-y_{ij}\right) ^{2}}{\left( x_{ij}+y_{ij}\right) }}{r}\end{displaymath}



Olivier Langella 2002-03-20