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A

asFloat(byte[]) - Method in class biz.k11i.xgboost.util.ModelReader
 
asUnsignedInt(byte[]) - Method in class biz.k11i.xgboost.util.ModelReader
 

B

biz.k11i.xgboost - package biz.k11i.xgboost
 
biz.k11i.xgboost.config - package biz.k11i.xgboost.config
 
biz.k11i.xgboost.gbm - package biz.k11i.xgboost.gbm
 
biz.k11i.xgboost.learner - package biz.k11i.xgboost.learner
 
biz.k11i.xgboost.spark - package biz.k11i.xgboost.spark
 
biz.k11i.xgboost.tree - package biz.k11i.xgboost.tree
 
biz.k11i.xgboost.util - package biz.k11i.xgboost.util
 
build() - Method in class biz.k11i.xgboost.config.PredictorConfiguration.Builder
 
builder() - Static method in class biz.k11i.xgboost.config.PredictorConfiguration
 

C

close() - Method in class biz.k11i.xgboost.util.ModelReader
 
createGradBooster(String) - Static method in class biz.k11i.xgboost.gbm.GradBooster.Factory
Creates a gradient booster from given name.

D

Dart - Class in biz.k11i.xgboost.gbm
Gradient boosted DART tree implementation.
DEFAULT - Static variable in class biz.k11i.xgboost.config.PredictorConfiguration
 

F

Factory() - Constructor for class biz.k11i.xgboost.gbm.GradBooster.Factory
 
fromArray(double[], boolean) - Static method in class biz.k11i.xgboost.util.FVec.Transformer
Builds FVec from dense vector.
fromArray(float[], boolean) - Static method in class biz.k11i.xgboost.util.FVec.Transformer
Builds FVec from dense vector.
fromMap(Map<Integer, ? extends Number>) - Static method in class biz.k11i.xgboost.util.FVec.Transformer
Builds FVec from map.
fromName(String) - Static method in class biz.k11i.xgboost.learner.ObjFunction
Gets ObjFunction from given name.
fvalue(int) - Method in interface biz.k11i.xgboost.util.FVec
Gets index-th value.
FVec - Interface in biz.k11i.xgboost.util
Interface of feature vector.
FVec.Transformer - Class in biz.k11i.xgboost.util
 

G

GBLinear - Class in biz.k11i.xgboost.gbm
Linear booster implementation
GBTree - Class in biz.k11i.xgboost.gbm
Gradient boosted tree implementation.
getFeatureCol() - Method in class biz.k11i.xgboost.spark.SparkModelParam
 
getLabelCol() - Method in class biz.k11i.xgboost.spark.SparkModelParam
 
getLeafIndex(FVec, int) - Method in class biz.k11i.xgboost.tree.RegTree
Retrieves nodes from root to leaf and returns leaf index.
getLeafValue(FVec, int) - Method in class biz.k11i.xgboost.tree.RegTree
Retrieves nodes from root to leaf and returns leaf value.
getModelType() - Method in class biz.k11i.xgboost.spark.SparkModelParam
 
getNumClass() - Method in class biz.k11i.xgboost.Predictor
Returns number of class.
getObjFunction() - Method in class biz.k11i.xgboost.config.PredictorConfiguration
 
getPredictionCol() - Method in class biz.k11i.xgboost.spark.SparkModelParam
 
getRawPredictionCol() - Method in class biz.k11i.xgboost.spark.SparkModelParam
 
getSparkModelParam() - Method in class biz.k11i.xgboost.Predictor
 
getThresholds() - Method in class biz.k11i.xgboost.spark.SparkModelParam
 
GradBooster - Interface in biz.k11i.xgboost.gbm
Interface of gradient boosting model.
GradBooster.Factory - Class in biz.k11i.xgboost.gbm
 

L

loadModel(ModelReader) - Method in class biz.k11i.xgboost.tree.RegTree
Loads model from stream.
loadModel(ModelReader, boolean) - Method in class biz.k11i.xgboost.gbm.Dart
 
loadModel(ModelReader, boolean) - Method in class biz.k11i.xgboost.gbm.GBLinear
 
loadModel(ModelReader, boolean) - Method in class biz.k11i.xgboost.gbm.GBTree
 
loadModel(ModelReader, boolean) - Method in interface biz.k11i.xgboost.gbm.GradBooster
Loads model from stream.

M

MODEL_TYPE_CLS - Static variable in class biz.k11i.xgboost.spark.SparkModelParam
 
MODEL_TYPE_REG - Static variable in class biz.k11i.xgboost.spark.SparkModelParam
 
ModelReader - Class in biz.k11i.xgboost.util
Reads the Xgboost model from stream.
ModelReader(InputStream) - Constructor for class biz.k11i.xgboost.util.ModelReader
 
ModelReader(String) - Constructor for class biz.k11i.xgboost.util.ModelReader
Deprecated.

O

objFunction(ObjFunction) - Method in class biz.k11i.xgboost.config.PredictorConfiguration.Builder
 
ObjFunction - Class in biz.k11i.xgboost.learner
Objective function implementations.
ObjFunction() - Constructor for class biz.k11i.xgboost.learner.ObjFunction
 

P

predict(FVec) - Method in class biz.k11i.xgboost.Predictor
Generates predictions for given feature vector.
predict(FVec, boolean) - Method in class biz.k11i.xgboost.Predictor
Generates predictions for given feature vector.
predict(FVec, boolean, int) - Method in class biz.k11i.xgboost.Predictor
Generates predictions for given feature vector.
predict(FVec, int) - Method in class biz.k11i.xgboost.gbm.GBLinear
 
predict(FVec, int) - Method in class biz.k11i.xgboost.gbm.GBTree
 
predict(FVec, int) - Method in interface biz.k11i.xgboost.gbm.GradBooster
Generates predictions for given feature vector.
predictLeaf(FVec) - Method in class biz.k11i.xgboost.Predictor
Predicts leaf index of each tree.
predictLeaf(FVec, int) - Method in class biz.k11i.xgboost.gbm.GBLinear
 
predictLeaf(FVec, int) - Method in class biz.k11i.xgboost.gbm.GBTree
 
predictLeaf(FVec, int) - Method in interface biz.k11i.xgboost.gbm.GradBooster
Predicts the leaf index of each tree.
predictLeaf(FVec, int) - Method in class biz.k11i.xgboost.Predictor
Predicts leaf index of each tree.
Predictor - Class in biz.k11i.xgboost
Predicts using the Xgboost model.
Predictor(InputStream) - Constructor for class biz.k11i.xgboost.Predictor
 
Predictor(InputStream, PredictorConfiguration) - Constructor for class biz.k11i.xgboost.Predictor
Instantiates with the Xgboost model
PredictorConfiguration - Class in biz.k11i.xgboost.config
 
PredictorConfiguration() - Constructor for class biz.k11i.xgboost.config.PredictorConfiguration
 
PredictorConfiguration.Builder - Class in biz.k11i.xgboost.config
 
predictSingle(FVec) - Method in class biz.k11i.xgboost.Predictor
Generates a prediction for given feature vector.
predictSingle(FVec, boolean) - Method in class biz.k11i.xgboost.Predictor
Generates a prediction for given feature vector.
predictSingle(FVec, boolean, int) - Method in class biz.k11i.xgboost.Predictor
Generates a prediction for given feature vector.
predictSingle(FVec, int) - Method in class biz.k11i.xgboost.gbm.GBLinear
 
predictSingle(FVec, int) - Method in class biz.k11i.xgboost.gbm.GBTree
 
predictSingle(FVec, int) - Method in interface biz.k11i.xgboost.gbm.GradBooster
Generates a prediction for given feature vector.
predTransform(float) - Method in class biz.k11i.xgboost.learner.ObjFunction
Transforms a prediction value.
predTransform(float[]) - Method in class biz.k11i.xgboost.learner.ObjFunction
Transforms prediction values.

R

readByteArray(int) - Method in class biz.k11i.xgboost.util.ModelReader
 
readByteAsInt() - Method in class biz.k11i.xgboost.util.ModelReader
 
readDoubleArrayBE(int) - Method in class biz.k11i.xgboost.util.ModelReader
 
readFloat() - Method in class biz.k11i.xgboost.util.ModelReader
 
readFloatArray(int) - Method in class biz.k11i.xgboost.util.ModelReader
 
readInt() - Method in class biz.k11i.xgboost.util.ModelReader
 
readIntArray(int) - Method in class biz.k11i.xgboost.util.ModelReader
 
readIntBE() - Method in class biz.k11i.xgboost.util.ModelReader
 
readLong() - Method in class biz.k11i.xgboost.util.ModelReader
 
readString() - Method in class biz.k11i.xgboost.util.ModelReader
 
readString(int) - Method in class biz.k11i.xgboost.util.ModelReader
 
readUnsignedInt() - Method in class biz.k11i.xgboost.util.ModelReader
 
readUTF() - Method in class biz.k11i.xgboost.util.ModelReader
 
readUTF(int) - Method in class biz.k11i.xgboost.util.ModelReader
 
register(String, ObjFunction) - Static method in class biz.k11i.xgboost.learner.ObjFunction
Deprecated.
This method will be made private. Please use PredictorConfiguration.Builder.objFunction(ObjFunction) instead.
RegTree - Class in biz.k11i.xgboost.tree
Regression tree.
RegTree() - Constructor for class biz.k11i.xgboost.tree.RegTree
 

S

setNumClass(int) - Method in interface biz.k11i.xgboost.gbm.GradBooster
 
skip(long) - Method in class biz.k11i.xgboost.util.ModelReader
 
SparkModelParam - Class in biz.k11i.xgboost.spark
 
SparkModelParam(String, String, ModelReader) - Constructor for class biz.k11i.xgboost.spark.SparkModelParam
 

U

useFastMathExp(boolean) - Static method in class biz.k11i.xgboost.learner.ObjFunction
Uses Jafama's FastMath.exp(double) instead of Math.exp(double).
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