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dprep (version 3.0.2)
reliefcat: Feature selection by the Relief Algorithm for datasets containing nominal features
Description
This function applies the RELIEF Algorithm to datasets containing nominal attributes.
Usage
reliefcat(data, nosample, threshold, vnom, repet)
Arguments
data
The name of the dataset
nosample
The size of the sample drawn and used to update the relevance of each feature. Usually it is equal to the total number of instances.
threshold
The threshold for choosing the relevant features
vnom
A vector of indices indicating the nominal features
repet
The number of the repetitions. It is recommended to use at most 10 repetitions. If the nosample=number of instances then set repet=1
See Also
relief