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A set of routines to load and manage datasets for machine learning / data mining tasks.
Managing datasets[procedure] (attribute-name attribute)
Returns the name of given attribute.[procedure] (attribute-definition attribute)
Returns a definition of the type of given attribute.[procedure] (relation-name relation)
Returns the name of given relation.[procedure] (relation-attributes relation)
Returns a list of attributes for given relation.[procedure] (relation-data relation)
Returns a list of the instances in the given relation.[procedure] (get-attribute-values relation attribute-name)
Returns the values taken by instances in relation for given attribute name.[procedure] (entropy relation attribute-name)
Computes entropy of given relation, using attribute-name to divide the relation into groups. attribute-name should be a nominal attribute.[procedure] (filter-instances relation attribute-name value)
Returns a new relation containing those instances of relation which have the given value for attribute-name.[procedure] (find-attribute-index relation attribute-name)
Returns the index number of given attribute name in relation.[procedure] (split-instances relation attribute-name)
Given a nominal attribute, returns a list of relations, each representing instances in relation with the same value for given attribute-name.
Importing Data[procedure] (read-arff filename)
Reads an ARFF definition from given filename, and returns a relation.
GPL version 3.0.