xgb.DMatrix
From xgboost v0.3-1
by Tong He
Contruct xgb.DMatrix object
Contruct xgb.DMatrix object from dense matrix, sparse matrix or local file.
Usage
xgb.DMatrix(data, info = list(), missing = 0, ...)
Arguments
- data
- a
matrix
object, adgCMatrix
object or a character indicating the data file. - info
- a list of information of the xgb.DMatrix object
- missing
- Missing is only used when input is dense matrix, pick a float
- ...
- other information to pass to
info
.
Examples
data(agaricus.train, package='xgboost')
train <- agaricus.train
dtrain <- xgb.DMatrix(train$data, label=train$label)
xgb.DMatrix.save(dtrain, 'xgb.DMatrix.data')
dtrain <- xgb.DMatrix('xgb.DMatrix.data')
Community examples
Looks like there are no examples yet.