[EMAIL PROTECTED] (Kevin C. Heslin) wrote in message 
news:<[EMAIL PROTECTED]>...
> what is the KS statistic?

Kolmogorov-Smirnov. It's the test statistic for a
goodness of fit of a fully specified distribution,
based on the maximum difference between the theoretical
and empirical cdf.

For most alternatives of interest, it has much more
power than the chi-squared test, but there are tests
that do somewhat better still.

Glen


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