org.apache.mahout.classifier.df

Class DecisionForest

java.lang.Object

org.apache.mahout.classifier.df.DecisionForest

All Implemented Interfaces:

org.apache.hadoop.io.Writable

Deprecated.

@Deprecated
public class DecisionForest
extends Object
implements org.apache.hadoop.io.Writable

Represents a forest of decision trees.

Constructor Summary

Constructors

Constructor and Description
DecisionForest(List<Node> trees) Deprecated.

Method Summary

Modifier and Type	Method and Description
void	classify(Data data, double[][] predictions) Deprecated. Classifies the data and calls callback for each classification
double	classify(Dataset dataset, Random rng, Instance instance) Deprecated. predicts the label for the instance
boolean	equals(Object obj) Deprecated.
int	hashCode() Deprecated.
static DecisionForest	load(org.apache.hadoop.conf.Configuration conf, org.apache.hadoop.fs.Path forestPath) Deprecated. Load the forest from a single file or a directory of files
long	meanMaxDepth() Deprecated.
long	meanNbNodes() Deprecated.
long	nbNodes() Deprecated.
static DecisionForest	read(DataInput dataInput) Deprecated. Read the forest from inputStream
void	readFields(DataInput dataInput) Deprecated. Reads the trees from the input and adds them to the existing trees
void	write(DataOutput dataOutput) Deprecated.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DecisionForest

public DecisionForest(List<Node> trees)

Deprecated.

Method Detail

classify

public void classify(Data data,
                     double[][] predictions)

Deprecated.

Classifies the data and calls callback for each classification

classify

public double classify(Dataset dataset,
                       Random rng,
                       Instance instance)

Deprecated.

predicts the label for the instance

Parameters:

rng - Random number generator, used to break ties randomly

Returns:

NaN if the label cannot be predicted

meanNbNodes

public long meanNbNodes()

Deprecated.

Returns:

Mean number of nodes per tree

nbNodes

public long nbNodes()

Deprecated.

Returns:

Total number of nodes in all the trees

meanMaxDepth

public long meanMaxDepth()

Deprecated.

Returns:

Mean maximum depth per tree

equals

public boolean equals(Object obj)

Deprecated.

Overrides:

equals in class Object

hashCode

public int hashCode()

Deprecated.

Overrides:

hashCode in class Object

write

public void write(DataOutput dataOutput)
           throws IOException

Deprecated.

Specified by:

write in interface org.apache.hadoop.io.Writable

Throws:

IOException

readFields

public void readFields(DataInput dataInput)
                throws IOException

Deprecated.

Reads the trees from the input and adds them to the existing trees

Specified by:

readFields in interface org.apache.hadoop.io.Writable

Throws:

IOException

read

public static DecisionForest read(DataInput dataInput)
                           throws IOException

Deprecated.

Read the forest from inputStream

Parameters:

dataInput - - input forest

Returns:

DecisionForest

Throws:

IOException

load

public static DecisionForest load(org.apache.hadoop.conf.Configuration conf,
                                  org.apache.hadoop.fs.Path forestPath)
                           throws IOException

Deprecated.

Load the forest from a single file or a directory of files

Throws:

IOException