Example usage for weka.filters.unsupervised.attribute RemoveByName RemoveByName

Introduction

In this page you can find the example usage for weka.filters.unsupervised.attribute RemoveByName RemoveByName.

Prototype

RemoveByName

Source Link

Usage

From source file:etc.aloe.cscw2013.FeatureGenerationImpl.java

License:Open Source License

/**
 * Get a filter that removes the id attribute from the data set, necessary
 * before training./*  w  w  w.j  a  v a  2  s.  c  o  m*/
 *
 * @param examples
 * @return
 * @throws Exception
 */
protected Filter getRemoveIDFilter(ExampleSet examples) throws Exception {
    RemoveByName filter = new RemoveByName();
    filter.setExpression(Pattern.quote(ExampleSet.ID_ATTR_NAME));

    filter.setInputFormat(examples.getInstances());
    Instances filtered = Filter.useFilter(examples.getInstances(), filter);
    examples.setInstances(filtered);

    return filter;
}

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From source file:etc.aloe.cscw2013.FeatureGenerationImpl.java

License:Open Source License

/**
 * Get a filter that removes the id attribute from the data set, necessary
 * before training.//www  .ja  v a2s .  c o m
 *
 * @param examples
 * @return
 * @throws Exception
 */
protected Filter getRemoveParticipantFilter(ExampleSet examples) throws Exception {
    RemoveByName filter = new RemoveByName();
    filter.setExpression(Pattern.quote(ExampleSet.PARTICIPANT_ATTR_NAME));

    filter.setInputFormat(examples.getInstances());
    Instances filtered = Filter.useFilter(examples.getInstances(), filter);
    examples.setInstances(filtered);

    return filter;
}

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From source file:etc.aloe.oilspill2010.BigramFeatureGenerationImpl.java

/**
 * Get a filter that removes the id attribute from the data set, necessary
 * before training.//  ww  w.ja va2s .  c o m
 *
 * @param examples
 * @return
 * @throws Exception
 */
protected Filter getRemoveMessageFilter(ExampleSet examples) throws Exception {
    RemoveByName filter = new RemoveByName();
    filter.setExpression(Pattern.quote(ExampleSet.MESSAGE_ATTR_NAME));

    filter.setInputFormat(examples.getInstances());
    Instances filtered = Filter.useFilter(examples.getInstances(), filter);
    examples.setInstances(filtered);

    return filter;
}

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