Examples of weka.filters.unsupervised.instance.RemovePercentage

Package weka.filters.unsupervised.instance

Examples of weka.filters.unsupervised.instance.RemovePercentage

weka.filters.unsupervised.instance.RemovePercentage
A filter that removes a given percentage of a dataset.
Valid options are:
```
 -P <percentage> Specifies percentage of instances to select. (default 50) 
```
```
 -V Specifies if inverse of selection is to be output. 
```
@author Richard Kirkby (eibe@cs.waikato.ac.nz) @author Eibe Frank (eibe@cs.waikato.ac.nz) @version $Revision: 5548 $


        dataSubSet.randomize(random);
        // Remove a percentage of the instances
  Instances originalDataSubSet = dataSubSet;
  dataSubSet.randomize(random);
        RemovePercentage rp = new RemovePercentage();
        rp.setPercentage( m_RemovedPercentage );
        rp.setInputFormat( dataSubSet );
        dataSubSet = Filter.useFilter( dataSubSet, rp );
  if( dataSubSet.numInstances() < 2 ) {
    dataSubSet = originalDataSubSet;
  }

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