[SciPy-User] incomplete beta function B(x; k+1, 0) ?

josef.pktd@gmai... josef.pktd@gmai...
Sat Jun 26 16:59:09 CDT 2010


Is there a incomplete beta function with a zero argument  B(x; k+1, 0)
 available in scipy?

>>> special.betainc( np.arange(5)+1, 0, 0.5)
array([ NaN,  NaN,  NaN,  NaN,  NaN])

http://en.wikipedia.org/wiki/Logarithmic_distribution  has an
expression for the cdf of logseries, which is not in
scipy.stats.distributions, but I don't find the right incomplete Beta
function values.

Josef


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