NormExpan_gen.interval()

statsmodels.sandbox.distributions.extras.NormExpan_gen.interval

NormExpan_gen.interval(alpha, *args, **kwds)

Confidence interval with equal areas around the median.

Parameters:	alpha : array_like of float Probability that an rv will be drawn from the returned range. Each value should be in the range [0, 1]. arg1, arg2, ... : array_like The shape parameter(s) for the distribution (see docstring of the instance object for more information). loc : array_like, optional location parameter, Default is 0. scale : array_like, optional scale parameter, Default is 1.
Returns:	a, b : ndarray of float end-points of range that contain 100 * alpha % of the rv?s possible values.