| Package | Description | 
|---|---|
| org.apache.ignite.ml.tree.impurity | 
 Root package for decision tree impurity measures and calculators. 
 | 
| org.apache.ignite.ml.tree.impurity.gini | 
 Contains Gini impurity measure and calculator. 
 | 
| org.apache.ignite.ml.tree.impurity.mse | 
 Contains mean squared error impurity measure and calculator. 
 | 
| org.apache.ignite.ml.tree.impurity.util | 
 Contains util classes used in decision tree impurity calculators. 
 | 
| Modifier and Type | Method and Description | 
|---|---|
abstract StepFunction<T>[] | 
ImpurityMeasureCalculator.calculate(DecisionTreeData data,
         TreeFilter filter,
         int depth)
Calculates all impurity measures required required to find a best split and returns them as an array of
  
StepFunction (for every column). | 
| Modifier and Type | Method and Description | 
|---|---|
StepFunction<GiniImpurityMeasure>[] | 
GiniImpurityMeasureCalculator.calculate(DecisionTreeData data,
         TreeFilter filter,
         int depth)
Calculates all impurity measures required required to find a best split and returns them as an array of
  
StepFunction (for every column). | 
| Modifier and Type | Method and Description | 
|---|---|
StepFunction<MSEImpurityMeasure>[] | 
MSEImpurityMeasureCalculator.calculate(DecisionTreeData data,
         TreeFilter filter,
         int depth)
Calculates all impurity measures required required to find a best split and returns them as an array of
  
StepFunction (for every column). | 
| Modifier and Type | Method and Description | 
|---|---|
StepFunction<T> | 
StepFunction.add(StepFunction<T> b)
Adds the given step function to this. 
 | 
StepFunction<T> | 
SimpleStepFunctionCompressor.compress(StepFunction<T> function)
Compresses the given step function. 
 | 
StepFunction<T> | 
StepFunctionCompressor.compress(StepFunction<T> function)
Compresses the given step function. 
 | 
default StepFunction<T>[] | 
StepFunctionCompressor.compress(StepFunction<T>[] functions)
Compresses every step function in the given array. 
 | 
| Modifier and Type | Method and Description | 
|---|---|
StepFunction<T> | 
StepFunction.add(StepFunction<T> b)
Adds the given step function to this. 
 | 
StepFunction<T> | 
SimpleStepFunctionCompressor.compress(StepFunction<T> function)
Compresses the given step function. 
 | 
StepFunction<T> | 
StepFunctionCompressor.compress(StepFunction<T> function)
Compresses the given step function. 
 | 
default StepFunction<T>[] | 
StepFunctionCompressor.compress(StepFunction<T>[] functions)
Compresses every step function in the given array. 
 | 
                                     
                                                                                                                                                                                                                                                                            
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                                                                                                                                                                                                                     Ignite Database and Caching Platform                                                                                                                   :                                                               ver. 2.7.2                                                                                                                                                                                                                                                                                                                                    Release Date                                                                                                                   :                                                               February 6 2019