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lgb.Dataset.create.valid

Construct validation data


Description

Construct validation data according to training data

Usage

lgb.Dataset.create.valid(dataset, data, info = list(), ...)

Arguments

dataset

lgb.Dataset object, training data

data

a matrix object, a dgCMatrix object or a character representing a filename

info

a list of information of the lgb.Dataset object

...

other information to pass to info.

Value

constructed dataset

Examples

data(agaricus.train, package = "lightgbm")
train <- agaricus.train
dtrain <- lgb.Dataset(train$data, label = train$label)
data(agaricus.test, package = "lightgbm")
test <- agaricus.test
dtest <- lgb.Dataset.create.valid(dtrain, test$data, label = test$label)

lightgbm

Light Gradient Boosting Machine

v3.2.1
MIT + file LICENSE
Authors
Guolin Ke [aut, cre], Damien Soukhavong [aut], James Lamb [aut], Qi Meng [aut], Thomas Finley [aut], Taifeng Wang [aut], Wei Chen [aut], Weidong Ma [aut], Qiwei Ye [aut], Tie-Yan Liu [aut], Yachen Yan [ctb], Microsoft Corporation [cph], Dropbox, Inc. [cph], Jay Loden [cph], Dave Daeschler [cph], Giampaolo Rodola [cph], Alberto Ferreira [ctb], Daniel Lemire [ctb], Victor Zverovich [cph], IBM Corporation [ctb]
Initial release
2021-04-12

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