Computes the CCDF of the standard normal distribution \(\mathcal{N}(0, 1)\)..

The complementary cumulative distribution function (CCDF) \(Q(x)\) is the probability that a random variable exceeds a given value.

Parameters:¶

x: ArrayLike¶

The real-valued input \(x\).

Returns:¶

The probability \(p\) that \(x\) is exceeded.

Examples

In [1]: sdr.Q(1)
Out[1]: 0.15865525393145707

In [2]: sdr.Qinv(0.158655)
Out[2]: 1.0000010494310452