FastNominalAttributeClassObserver implemented

Waikato / moa

MOA is an open source framework for Big Data stream mining. It includes a collection of machine learning algorithms (classification, regression, clustering, outlier detection, concept drift detection and recommender systems) and tools for evaluation.

http://moa.cms.waikato.ac.nz/

GNU General Public License v3.0

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FastNominalAttributeClassObserver implemented #278

Open eugene-kamenev opened 1 year ago

eugene-kamenev commented 1 year ago

improves performance for nominal attributes with large number of attribute values, it simply calculates distribution on the fly to avoid loops in getClassDistsResultingFrom* and probabilityOfAttributeValueGivenClass methods.