call_windows.py 文件源码

def normal(x, loc, scale):
    """
    Get the probability density for a normal distribution.

    :param x: Edges of bins within which to calculate probability density
    :type x: :class:`~numpy.ndarray`
    :param int loc: Mean of the distribution (see :data:`~scipy.stats.norm`)
    :param int scale: Standard deviation of the distribution \
            (see :data:`~scipy.stats.norm`)
    :returns: Probability density over x. Return \
            array has one less value than x, as the first value of \
            the return array is the probability density between x[0] \
            and x[1].
    """

    norm_y = norm.cdf(x, loc, scale)
    norm_y = un_cumulative(norm_y)
    return sum_to_1(norm_y)