Exponential

greybox.distributions.dexp(q, loc=0, scale=1, log=False)

Exponential distribution density.

Parameters:

• q (array_like) – Quantiles (must be >= loc).

• loc (float) – Location parameter.

• scale (float) – Scale parameter (1/lambda).

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

Returns:

Density values.

Return type:

array

greybox.distributions.pexp(q, loc=0, scale=1)

Exponential distribution CDF.

Parameters:

• q (array_like) – Quantiles.

• loc (float) – Location parameter.

• scale (float) – Scale parameter.

Returns:

CDF values.

Return type:

array

greybox.distributions.qexp(p, loc=0, scale=1)

Exponential distribution quantile function.

Parameters:

• p (array_like) – Probabilities.

• loc (float) – Location parameter.

• scale (float) – Scale parameter.

Returns:

Quantile values.

Return type:

array

greybox.distributions.rexp(n, loc=0, scale=1)

Exponential distribution random number generation.

Parameters:

• n (int) – Number of observations.

• loc (float) – Location parameter.

• scale (float) – Scale parameter.

Returns:

Random values.

Return type:

array