Uses of Class
org.apache.mahout.df.node.Node

Packages that use Node
org.apache.mahout.df   
org.apache.mahout.df.builder   
org.apache.mahout.df.mapred.partial
Partial-data mapreduce implementation of Random Decision Forests
 
The builder splits the data, using a FileInputSplit, among the mappers. 
org.apache.mahout.df.mapreduce   
org.apache.mahout.df.mapreduce.partial
Partial-data mapreduce implementation of Random Decision Forests
 
The builder splits the data, using a FileInputSplit, among the mappers. 
org.apache.mahout.df.node   
 

Uses of Node in org.apache.mahout.df
 

Methods in org.apache.mahout.df that return Node
 Node Bagging.build(int treeId, java.util.Random rng, PredictionCallback callback)
          Builds one tree
static Node[] DFUtils.readNodeArray(java.io.DataInput in)
          Reads a Node[] from a DataInput
 

Methods in org.apache.mahout.df that return types with arguments of type Node
 java.util.List<Node> DecisionForest.getTrees()
           
 

Methods in org.apache.mahout.df with parameters of type Node
static void DFUtils.writeArray(java.io.DataOutput out, Node[] array)
          Writes an Node[] into a DataOutput
 

Constructor parameters in org.apache.mahout.df with type arguments of type Node
DecisionForest(java.util.List<Node> trees)
           
 

Uses of Node in org.apache.mahout.df.builder
 

Methods in org.apache.mahout.df.builder that return Node
 Node TreeBuilder.build(java.util.Random rng, Data data)
          Builds a Decision tree using the training data
 Node DefaultTreeBuilder.build(java.util.Random rng, Data data)
           
 

Uses of Node in org.apache.mahout.df.mapred.partial
 

Methods in org.apache.mahout.df.mapred.partial with parameters of type Node
 void Step2Mapper.configure(int partition, Dataset dataset, TreeID[] keys, Node[] trees, int numInstances)
          Useful for testing.
protected static void PartialBuilder.processOutput(org.apache.hadoop.mapred.JobConf job, org.apache.hadoop.fs.Path outputPath, int[] firstIds, TreeID[] keys, Node[] trees, PredictionCallback callback)
          Processes the output from the output path.
 void Step2Job.run(org.apache.hadoop.conf.Configuration conf, TreeID[] keys, Node[] trees, PredictionCallback callback)
          Run the second step.
 

Uses of Node in org.apache.mahout.df.mapreduce
 

Methods in org.apache.mahout.df.mapreduce that return Node
 Node MapredOutput.getTree()
           
 

Constructors in org.apache.mahout.df.mapreduce with parameters of type Node
MapredOutput(Node tree)
           
MapredOutput(Node tree, int[] predictions)
           
 

Uses of Node in org.apache.mahout.df.mapreduce.partial
 

Methods in org.apache.mahout.df.mapreduce.partial with parameters of type Node
 void Step2Mapper.configure(int partition, Dataset dataset, TreeID[] keys, Node[] trees, int numInstances)
          Useful for testing.
static int InterResults.load(org.apache.hadoop.fs.FileSystem fs, org.apache.hadoop.fs.Path forestPath, int numMaps, int numTrees, int partition, TreeID[] keys, Node[] trees)
          Load the trees and the keys returned from the first step
protected static void PartialBuilder.processOutput(org.apache.hadoop.mapreduce.JobContext job, org.apache.hadoop.fs.Path outputPath, int[] firstIds, TreeID[] keys, Node[] trees, PredictionCallback callback)
          Processes the output from the output path.
 void Step2Job.run(org.apache.hadoop.conf.Configuration conf, TreeID[] keys, Node[] trees, PredictionCallback callback)
          Run the second step.
static void InterResults.store(org.apache.hadoop.fs.FileSystem fs, org.apache.hadoop.fs.Path forestPath, TreeID[] keys, Node[] trees, int[] sizes)
          Write the forest trees into a file
 

Uses of Node in org.apache.mahout.df.node
 

Subclasses of Node in org.apache.mahout.df.node
 class CategoricalNode
           
 class Leaf
          Represents a Leaf node
 class MockLeaf
          Custom Leaf node that returns for each instance its own label.
 class NumericalNode
          Represents a node that splits using a numerical attribute
 

Methods in org.apache.mahout.df.node that return Node
static Node Node.read(java.io.DataInput in)
           
 

Constructors in org.apache.mahout.df.node with parameters of type Node
CategoricalNode(int attr, double[] values, Node[] childs)
           
NumericalNode(int attr, double split, Node loChild, Node hiChild)
           
 



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