public class GBM extends SharedTree<GBMModel,GBMModel.GBMParameters,GBMModel.GBMOutput>
Modifier and Type | Class and Description |
---|---|
static class |
GBM.DiffMinusMedianDiff |
SharedTree.Driver, SharedTree.FrameMap
_calib, _initialPrediction, _model, _mtry, _mtry_per_tree, _ncols, _ntrees, _rand, DEV_DEBUG, MAX_NTREES
Constructor and Description |
---|
GBM(boolean startup_once) |
GBM(GBMModel.GBMParameters parms) |
GBM(GBMModel.GBMParameters parms,
water.Key<GBMModel> key) |
Modifier and Type | Method and Description |
---|---|
hex.ModelCategory[] |
can_build() |
void |
init(boolean expensive)
Initialize the ModelBuilder, validating all arguments and preparing the
training frame.
|
protected int |
nModelsInParallel() |
protected double |
score1(water.fvec.Chunk[] chks,
double weight,
double offset,
double[] fs,
int row) |
protected hex.tree.gbm.GBM.GBMDriver |
trainModelImpl()
Start the GBM training Job on an F/J thread.
|
buildLayer, calib, checkMemoryFootPrint, chk_nids, chk_offset, chk_oobt, chk_resp, chk_tree, chk_weight, chk_work, computePriorClassDistribution, createModelSummaryTable, createScoringHistoryTable, cv_computeAndSetOptimalParameters, data_row, doScoringAndSaveModel, getInitialValue, getToEigenVec, haveMojo, havePojo, idx_nids, idx_offset, idx_oobt, idx_resp, idx_tree, idx_weight, idx_work, ignoreInvalidColumns, isSupervised, makeDecided, printGenerateTrees, scoreZeroTrees, shouldReorder, vec_nids, vec_offset, vec_oobt, vec_resp, vec_tree, vec_weight, vec_work
algoName, algos, builderVisibility, checkDistributions, clearInitState, clearValidationErrors, computeCrossValidation, cv_AssignFold, cv_buildModels, cv_mainModelScores, cv_makeFramesAndBuilders, cv_makeWeights, cv_scoreCVModels, defaultKey, desiredChunks, dest, error_count, error, get, hasFoldCol, hasOffsetCol, hasWeightCol, hide, ignoreBadColumns, ignoreConstColumns, ignoreStringColumns, info, init_adaptFrameToTrain, isClassifier, isStopped, javaName, logMe, make, message, nclasses, nFoldCV, nFoldWork, numSpecialCols, paramName, rebalance, response, schemaDirectory, separateFeatureVecs, setTrain, specialColNames, stop_requested, timeout, train, trainModel, trainModelNested, valid, validationErrors, vresponse, warn
public GBM(GBMModel.GBMParameters parms)
public GBM(GBMModel.GBMParameters parms, water.Key<GBMModel> key)
public GBM(boolean startup_once)
public hex.ModelCategory[] can_build()
can_build
in class hex.ModelBuilder<GBMModel,GBMModel.GBMParameters,GBMModel.GBMOutput>
protected int nModelsInParallel()
nModelsInParallel
in class hex.ModelBuilder<GBMModel,GBMModel.GBMParameters,GBMModel.GBMOutput>
protected hex.tree.gbm.GBM.GBMDriver trainModelImpl()
trainModelImpl
in class hex.ModelBuilder<GBMModel,GBMModel.GBMParameters,GBMModel.GBMOutput>
public void init(boolean expensive)
init
in class SharedTree<GBMModel,GBMModel.GBMParameters,GBMModel.GBMOutput>
protected double score1(water.fvec.Chunk[] chks, double weight, double offset, double[] fs, int row)
score1
in class SharedTree<GBMModel,GBMModel.GBMParameters,GBMModel.GBMOutput>