Mapper

Mapper module hold base implementation for mappers. Mappers are functions that map feature’s possible values to the interval [-1, 1]. While features are thought to belong to artifacts of certain types, mappers usually belong to a single agent making it possible for each agent to have their own appreciation standards for the feature.

class creamas.rules.mapper.Mapper

Base implementation of mapper, serves as identity function for int and float types.

Mappers, as rules and features, are callable after initialization.

map(value)

Map given value to the interval [-1, 1].

This base implementation maps each value to itself, capping to [-1, 1].

Parameters

value – Value to map

Returns

Value mapped to the interval [-1, 1]

Rtype float

property value_set

Acceptable input types for the mapper.