Dart

java.lang.Object
- biz.k11i.xgboost.gbm.GBBase
- - biz.k11i.xgboost.gbm.GBTree
  - - biz.k11i.xgboost.gbm.Dart

All Implemented Interfaces:

GradBooster, java.io.Serializable
```
public class Dart
extends GBTree
```
Gradient boosted DART tree implementation.

See Also:

Serialized Form

Nested Class Summary
- Nested classes/interfaces inherited from class biz.k11i.xgboost.gbm.GBTree
  GBTree.ModelParam
- Nested classes/interfaces inherited from interface biz.k11i.xgboost.gbm.GradBooster
  GradBooster.Factory

Field Summary

Fields
Modifier and Type Field Description

private float[] weightDrop
- Fields inherited from class biz.k11i.xgboost.gbm.GBTree
  _groupTrees, mparam
- Fields inherited from class biz.k11i.xgboost.gbm.GBBase
  num_class, num_feature, num_output_group

Constructor Summary

Constructors
Constructor Description

Dart()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`loadModel(PredictorConfiguration config, ModelReader reader, boolean with_pbuffer)`	Loads model from stream.
`(package private) float`	`pred(FVec feat, int bst_group, int root_index, int ntree_limit, float base_score)`
`float`	`weight(int tidx)`

Methods inherited from class biz.k11i.xgboost.gbm.GBTree
getGroupedTrees, predict, predictLeaf, predictLeafPath, predictSingle

Methods inherited from class biz.k11i.xgboost.gbm.GBBase
setNumClass, setNumFeature

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail
- weightDrop
```
private float[] weightDrop
```

Constructor Detail
- Dart
```
Dart()
```

Method Detail

loadModel
```
public void loadModel(PredictorConfiguration config,
                      ModelReader reader,
                      boolean with_pbuffer)
               throws java.io.IOException
```
Description copied from interface: GradBooster

Loads model from stream.

Specified by:

loadModel in interface GradBooster

Overrides:

loadModel in class GBTree

Parameters:

config - predictor configuration

reader - input stream

with_pbuffer - whether the incoming data contains pbuffer

Throws:

java.io.IOException - If an I/O error occurs

pred

float pred(FVec feat,
           int bst_group,
           int root_index,
           int ntree_limit,
           float base_score)

Overrides:: pred in class GBTree

weight
```
public float weight(int tidx)
```