xgboost4j_2.12 1.6.2 API < Back
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# Packages

-  package root
  Definition Classes
    root
-  package ml
  Definition Classes
    root
-  package dmlc
  Definition Classes
    ml
-  package xgboost4j
  Definition Classes
    dmlc
-  package java
  Definition Classes
    xgboost4j
-  package scala
  Definition Classes
    xgboost4j
- Booster
- DMatrix
- DeviceQuantileDMatrix
- EvalTrait
- ExternalCheckpointManager
- ObjectiveTrait
- XGBoost

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ml.dmlc.xgboost4j

# scala 

#### package scala

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Ordering

1. Alphabetic

Visibility

1. Public
2. All

### Type Members

1.  class Booster extends Serializable with KryoSerializable

   Booster for xgboost, this is a model API that support interactive build of a XGBoost Model

   Booster for xgboost, this is a model API that support interactive build of a XGBoost Model

   DEVELOPER WARNING: A Java Booster must not be shared by more than one Scala Booster

2.  class DMatrix extends AnyRef
3.  class DeviceQuantileDMatrix extends DMatrix
4.  trait EvalTrait extends IEvaluation
5.  class ExternalCheckpointManager extends java.ExternalCheckpointManager
6.  trait ObjectiveTrait extends IObjective

### Value Members

1.  object XGBoost

   XGBoost Scala Training function.

### Ungrouped