org.apache.mahout.clustering.iterator
Class FuzzyKMeansClusteringPolicy
java.lang.Object
org.apache.mahout.clustering.iterator.AbstractClusteringPolicy
org.apache.mahout.clustering.iterator.FuzzyKMeansClusteringPolicy
- All Implemented Interfaces:
- org.apache.hadoop.io.Writable, ClusteringPolicy
public class FuzzyKMeansClusteringPolicy
- extends AbstractClusteringPolicy
This is a probability-weighted clustering policy, suitable for fuzzy k-means
clustering
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
FuzzyKMeansClusteringPolicy
public FuzzyKMeansClusteringPolicy()
FuzzyKMeansClusteringPolicy
public FuzzyKMeansClusteringPolicy(double m,
double convergenceDelta)
select
public Vector select(Vector probabilities)
- Description copied from interface:
ClusteringPolicy
- Return a vector of weights for each of the models given those probabilities
- Specified by:
select
in interface ClusteringPolicy
- Overrides:
select
in class AbstractClusteringPolicy
- Parameters:
probabilities
- a Vector of pdfs
- Returns:
- a Vector of weights
classify
public Vector classify(Vector data,
ClusterClassifier prior)
- Description copied from interface:
ClusteringPolicy
- Classify the data vector given the classifier's models
- Specified by:
classify
in interface ClusteringPolicy
- Overrides:
classify
in class AbstractClusteringPolicy
- Parameters:
data
- a data Vectorprior
- a prior ClusterClassifier
- Returns:
- a Vector of probabilities that the data is described by each of the
models
write
public void write(DataOutput out)
throws IOException
- Specified by:
write
in interface org.apache.hadoop.io.Writable
- Specified by:
write
in class AbstractClusteringPolicy
- Throws:
IOException
readFields
public void readFields(DataInput in)
throws IOException
- Specified by:
readFields
in interface org.apache.hadoop.io.Writable
- Specified by:
readFields
in class AbstractClusteringPolicy
- Throws:
IOException
close
public void close(ClusterClassifier posterior)
- Description copied from interface:
ClusteringPolicy
- Close the policy using the classifier's models
- Specified by:
close
in interface ClusteringPolicy
- Overrides:
close
in class AbstractClusteringPolicy
- Parameters:
posterior
- a posterior ClusterClassifier
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