Poisson

Poisson()

Poisson distribution parameterized by rate lam.

Attributes

Name	Description
mean	Expected value.
support	Distribution support.
variance	Variance.
x_range	Practical plotting range.

Methods

Name	Description
cdf	Cumulative distribution function.
elicit	Elicit a Poisson distribution from a non-negative rate parameter.
fit	Fit a Poisson distribution to non-negative integer counts.
pdf	Probability mass function.
ppf	Percent point function / inverse CDF.
sample	Generate random samples.
validate_params	Validate the lam rate parameter.

cdf

Poisson.cdf(x)

Cumulative distribution function.

elicit

Poisson.elicit(lam, name=None)

Elicit a Poisson distribution from a non-negative rate parameter.

fit

Poisson.fit(data, name=None)

Fit a Poisson distribution to non-negative integer counts.

pdf

Poisson.pdf(x)

Probability mass function.

ppf

Poisson.ppf(q)

Percent point function / inverse CDF.

sample

Poisson.sample(size=1, *, seed=None)

Generate random samples.

validate_params

Poisson.validate_params(params)

Validate the lam rate parameter.