示例#1
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def random_normal():
    """ returns a random draw from normally distributed data"""
    return inverse_normal_cdf(random.random())
示例#2
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def random_normal():
    """ returns a random draw from normally distributed data"""
    return inverse_normal_cdf(random.random())
示例#3
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def normal_lower_bound(probability, mu=0, sigma=1):
    """ returns the z for which P(Z > z) = probability """
    return  inverse_normal_cdf(1-probability, mu, sigma)