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Packages that use Canopy | |
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org.apache.mahout.clustering.canopy |
Uses of Canopy in org.apache.mahout.clustering.canopy |
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Methods in org.apache.mahout.clustering.canopy that return Canopy | |
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static Canopy |
Canopy.decodeCanopy(java.lang.String formattedString)
Decodes and returns a Canopy from the formattedString |
Methods in org.apache.mahout.clustering.canopy that return types with arguments of type Canopy | |
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static java.util.List<Canopy> |
CanopyClusterer.createCanopies(java.util.List<Vector> points,
DistanceMeasure measure,
double t1,
double t2)
Iterate through the points, adding new canopies. |
Methods in org.apache.mahout.clustering.canopy with parameters of type Canopy | |
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boolean |
ClusterMapper.canopyCovers(Canopy canopy,
Vector point)
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boolean |
CanopyClusterer.canopyCovers(Canopy canopy,
Vector point)
Return if the point is covered by the canopy |
static java.lang.String |
Canopy.formatCanopy(Canopy canopy)
Format the canopy for output |
Method parameters in org.apache.mahout.clustering.canopy with type arguments of type Canopy | |
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void |
CanopyClusterer.addPointToCanopies(Vector point,
java.util.List<Canopy> canopies,
org.apache.hadoop.mapred.Reporter reporter)
This is the same algorithm as the reference but inverted to iterate over existing canopies instead of the points. |
static java.util.List<Vector> |
CanopyClusterer.calculateCentroids(java.util.List<Canopy> canopies)
Iterate through the canopies, adding their centroids to a list |
void |
ClusterMapper.config(java.util.List<Canopy> canopies)
Configure the mapper by providing its canopies. |
void |
CanopyClusterer.emitPointToExistingCanopies(Vector point,
java.util.List<Canopy> canopies,
org.apache.hadoop.mapred.OutputCollector<org.apache.hadoop.io.Text,VectorWritable> collector,
org.apache.hadoop.mapred.Reporter reporter)
This method is used by the CanopyMapper to perform canopy inclusion tests and to emit the point keyed by its covering canopies to the output. |
void |
CanopyClusterer.emitPointToNewCanopies(Vector point,
java.util.List<Canopy> canopies,
org.apache.hadoop.mapred.OutputCollector<org.apache.hadoop.io.Text,Vector> collector)
This method is used by the CanopyMapper to perform canopy inclusion tests and to emit the point and its covering canopies to the output. |
void |
CanopyReducer.reduce(org.apache.hadoop.io.Text key,
java.util.Iterator<VectorWritable> values,
org.apache.hadoop.mapred.OutputCollector<org.apache.hadoop.io.Text,Canopy> output,
org.apache.hadoop.mapred.Reporter reporter)
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static void |
CanopyClusterer.updateCentroids(java.util.List<Canopy> canopies)
Iterate through the canopies, resetting their center to their centroids |
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