metasyn.distribution.uniquekey.UniqueKeyDistribution

class metasyn.distribution.uniquekey.UniqueKeyDistribution(lower, consecutive)

Unique key distribution for identifiers.

Discrete distribution that ensures the uniqueness of the drawn values.

Parameters:

• lower (int) – Minimum value for the keys.

• consecutive (bool) – True if keys are consecutive and increasing, False otherwise.

Examples

>>> UniqueKeyDistribution(lower=0, consecutive=True)

name

core.unique_key

unique

True

version

1.0

var_type

discrete

__init__(lower, consecutive)

Parameters:

• lower (int)

• consecutive (bool)

Methods

__init__(lower, consecutive)
default_distribution([var_type])	Get a distribution with default parameters.
draw()	Draw a random element from the fitted distribution.
draw_list(n)	Draw a list of values from the distribution.
draw_reset()	Reset the drawing of elements to start again.
from_dict(dist_dict)	Create a distribution from a dictionary.
information_criterion(values)	Get the BIC value for a particular set of values.
matches_name(name)	Check whether the name matches the distribution.
provides_var_type(var_type)
schema()	Create sub-schema to validate GMF file.
to_dict()	Convert the distribution to a dictionary.

Attributes

name	The identifier for the implemented distribution
unique	Whether the distribution creates only unique values
var_type	The variable type of the distribution
version	Version of the implemented distribution