lgb.Dataset.set.categorical.Rd 747 Bytes
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% Generated by roxygen2: do not edit by hand
% Please edit documentation in R/lgb.Dataset.R
\name{lgb.Dataset.set.categorical}
\alias{lgb.Dataset.set.categorical}
\title{set categorical feature of \code{lgb.Dataset}}
\usage{
lgb.Dataset.set.categorical(dataset, categorical_feature)
}
\arguments{
\item{dataset}{object of class \code{lgb.Dataset}}

\item{categorical_feature}{categorical features}
}
\value{
passed dataset
}
\description{
set categorical feature of \code{lgb.Dataset}
}
\examples{
data(agaricus.train, package='lightgbm')
train <- agaricus.train
dtrain <- lgb.Dataset(train$data, label=train$label)
lgb.Dataset.save(dtrain, 'lgb.Dataset.data')
dtrain <- lgb.Dataset('lgb.Dataset.data')
lgb.Dataset.set.categorical(dtrain, 1:2)
}