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java.lang.Objectedu.umass.cs.mallet.base.pipe.Pipe
edu.umass.cs.mallet.base.pipe.Csv2FeatureVector
Converts a string of the form feature_1:val_1 feature_2:val_2 ... feature_k:val_k into a (sparse) FeatureVector.
Constructor Summary | |
Csv2FeatureVector()
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Csv2FeatureVector(int capacity)
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Method Summary | |
Instance |
pipe(Instance carrier)
Convert the data in the given Instance from a CharSequence of sparse feature-value pairs to a FeatureVector |
Methods inherited from class edu.umass.cs.mallet.base.pipe.Pipe |
getDataAlphabet, getInstanceId, getParent, getParentRoot, getTargetAlphabet, isDataAlphabetSet, isTargetProcessing, pipe, readResolve, resolveDataAlphabet, resolveTargetAlphabet, setDataAlphabet, setParent, setTargetAlphabet, setTargetProcessing |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
public Csv2FeatureVector(int capacity)
public Csv2FeatureVector()
Method Detail |
public Instance pipe(Instance carrier) throws java.lang.IllegalStateException
pipe
in class Pipe
carrier
- Instance to be processed.
java.lang.IllegalStateException
- If Instance.getTarget()
is
not a Labeling
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