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xgboost (version 0.90.0.2)

Extreme Gradient Boosting

Description

Extreme Gradient Boosting, which is an efficient implementation of the gradient boosting framework from Chen & Guestrin (2016) . This package is its R interface. The package includes efficient linear model solver and tree learning algorithms. The package can automatically do parallel computation on a single machine which could be more than 10 times faster than existing gradient boosting packages. It supports various objective functions, including regression, classification and ranking. The package is made to be extensible, so that users are also allowed to define their own objectives easily.

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Install

install.packages('xgboost')

Monthly Downloads

49,989

Version

0.90.0.2

License

Apache License (== 2.0) | file LICENSE

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Maintainer

Tong He

Last Published

August 1st, 2019

Functions in xgboost (0.90.0.2)

cb.print.evaluation

Callback closure for printing the result of evaluation
agaricus.test

Test part from Mushroom Data Set
cb.early.stop

Callback closure to activate the early stopping.
xgb.ggplot.importance

Plot feature importance as a bar graph
callbacks

Callback closures for booster training.
slice

Get a new DMatrix containing the specified rows of original xgb.DMatrix object
agaricus.train

Training part from Mushroom Data Set
cb.cv.predict

Callback closure for returning cross-validation based predictions.
print.xgb.Booster

Print xgb.Booster
cb.evaluation.log

Callback closure for logging the evaluation history
xgboost-deprecated

Deprecation notices.
xgb.create.features

Create new features from a previously learned model
xgb.attr

Accessors for serializable attributes of a model.
xgb.train

eXtreme Gradient Boosting Training
cb.gblinear.history

Callback closure for collecting the model coefficients history of a gblinear booster during its training.
print.xgb.cv.synchronous

Print xgb.cv result
xgb.gblinear.history

Extract gblinear coefficients history.
dim.xgb.DMatrix

Dimensions of xgb.DMatrix
dimnames.xgb.DMatrix

Handling of column names of xgb.DMatrix
print.xgb.DMatrix

Print xgb.DMatrix
cb.save.model

Callback closure for saving a model file.
xgb.parameters<-

Accessors for model parameters.
xgb.ggplot.deepness

Plot model trees deepness
xgb.model.dt.tree

Parse a boosted tree model text dump
xgb.load

Load xgboost model from binary file
xgb.plot.multi.trees

Project all trees on one tree and plot it
predict.xgb.Booster

Predict method for eXtreme Gradient Boosting model
getinfo

Get information of an xgb.DMatrix object
cb.reset.parameters

Callback closure for resetting the booster's parameters at each iteration.
xgb.Booster.complete

Restore missing parts of an incomplete xgb.Booster object.
xgb.plot.tree

Plot a boosted tree model
xgb.cv

Cross Validation
xgb.importance

Importance of features in a model.
xgb.dump

Dump an xgboost model in text format.
xgb.save

Save xgboost model to binary file
xgb.plot.shap

SHAP contribution dependency plots
xgb.DMatrix.save

Save xgb.DMatrix object to binary file
xgb.DMatrix

Construct xgb.DMatrix object
setinfo

Set information of an xgb.DMatrix object
xgb.save.raw

Save xgboost model to R's raw vector, user can call xgb.load to load the model back from raw vector