Ranker
Package
weka.attributeSelection
Synopsis
Ranker :
Ranks attributes by their individual evaluations. Use in conjunction with attribute evaluators (ReliefF, GainRatio, Entropy etc).
Options
The table below describes the options available for Ranker.
Option |
Description |
|---|---|
generateRanking |
A constant option. Ranker is only 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, Ranker 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. |