Return the cumulative distribution function (CDF) at x of the Kolmogorov-Smirnov distribution.
This is defined as
Inf
Q(x) = SUM (-1)^k exp (-2 k^2 x^2)
k = -Inf
for x > 0.
The optional parameter tol specifies the precision up to which
the series should be evaluated; the default is tol = eps.
Package: statistics