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Package

weka.attributeSelection

Synopsis

FCBF :

Feature selection method based on correlation measureand relevance&redundancy analysis. Use in conjunction with an attribute set evaluator (SymmetricalUncertAttributeEval).

For more information see:

Lei Yu, Huan Liu: Feature Selection for High-Dimensional Data: A Fast Correlation-Based Filter Solution. In: Proceedings of the Twentieth International Conference on Machine Learning, 856-863, 2003.

Available in Weka 3.6.x - 3.7.1. Available via the package management system for Weka >= 3.7.2 (fastCorrBasedFS).

Options

The table below describes the options available for FCBFSearch.

Option

Description

generateDataOutput

Generating new dataset according to the selected features.

generateRanking

A constant option. FCBF is capable of generating attribute rankings.

numToSelect

Specify the number of attributes to retain. The default value (-1) indicates that all attributes are to be retained. Use either this option or a threshold to reduce the attribute set.

startSet

Specify a set of attributes to ignore. When generating the ranking, FCBF will not evaluate the attributes in this list. This is specified as a comma seperated list off attribute indexes starting at 1. It can include ranges. Eg. 1,2,5-9,17.

threshold

Set threshold by which attributes can be discarded. Default value results in no attributes being discarded. Use either this option or numToSelect to reduce the attribute set.

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