Inverse Gaussian

greybox.distributions.dinvgauss(q, loc=1, scale=1, log=False)

Inverse Gaussian distribution density.

Parameters:

• q (array_like) – Quantiles (must be positive).

• loc (float) – Mean parameter.

• scale (float) – Scale parameter.

• log (bool) – If True, return log-density.

Returns:

Density values.

Return type:

array

greybox.distributions.pinvgauss(q, loc=1, scale=1)

Inverse Gaussian distribution CDF.

Parameters:

• q (array_like) – Quantiles.

• loc (float) – Mean parameter.

• scale (float) – Scale parameter.

Returns:

CDF values.

Return type:

array

greybox.distributions.qinvgauss(p, loc=1, scale=1)

Inverse Gaussian distribution quantile function.

Parameters:

• p (array_like) – Probabilities.

• loc (float) – Mean parameter.

• scale (float) – Scale parameter.

Returns:

Quantile values.

Return type:

array

greybox.distributions.rinvgauss(n, loc=1, scale=1)

Inverse Gaussian distribution random number generation.

Parameters:

• n (int) – Number of observations.

• loc (float) – Mean parameter.

• scale (float) – Scale parameter.

Returns:

Random values.

Return type:

array