clopper_pearson_interval

coffea.hist.clopper_pearson_interval(num, denom, coverage=0.6826894921370859)

Compute Clopper-Pearson coverage interval for a binomial distribution

Parameters:

• num (numpy.ndarray) – Numerator, or number of successes, vectorized

• denom (numpy.ndarray) – Denominator or number of trials, vectorized

• coverage (float, optional) – Central coverage interval, defaults to 68%

c.f. http://en.wikipedia.org/wiki/Binomial_proportion_confidence_interval