Example usage for org.apache.mahout.classifier.sgd CsvRecordFactory CsvRecordFactory

Introduction

In this page you can find the example usage for org.apache.mahout.classifier.sgd CsvRecordFactory CsvRecordFactory.

Prototype

public CsvRecordFactory(String targetName, Map<String, String> typeMap) 

Source Link

Document

Construct a parser for CSV lines that encodes the parsed data in vector form.

Usage

From source file:com.ml.ira.algos.LogisticModelParameters.java

License:Apache License

/**
 * Returns a CsvRecordFactory compatible with this logistic model.  The reason that this is tied
 * in here is so that we have access to the list of target categories when it comes time to save
 * the model.  If the input isn't CSV, then calling setTargetCategories before calling saveTo will
 * suffice.// w  ww . j  av  a2s.  c  om
 *
 * @return The CsvRecordFactory.
 */
public CsvRecordFactory getCsvRecordFactory() {
    if (csv == null) {
        csv = new CsvRecordFactory(getTargetVariable(), getTypeMap()).maxTargetValue(getMaxTargetCategories())
                .includeBiasTerm(useBias());
        if (targetCategories != null) {
            csv.defineTargetCategories(targetCategories);
        }
    }
    return csv;
}

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