class LightGBMDataset extends AutoCloseable
Represents a LightGBM dataset. Wraps the native implementation.
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new
LightGBMDataset(datasetPtr: SWIGTYPE_p_void)
- datasetPtr
The native representation of the dataset.
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- def addDoubleField(field: SWIGTYPE_p_double, fieldName: String, numRows: Int): Unit
- def addDoubleField(field: doubleChunkedArray, fieldName: String, numRows: Int): Unit
- def addDoubleField(field: Array[Double], fieldName: String, numRows: Int): Unit
- def addFloatField(field: SWIGTYPE_p_float, fieldName: String, numRows: Int): Unit
- def addFloatField(field: floatChunkedArray, fieldName: String, numRows: Int): Unit
- def addFloatField(field: Array[Double], fieldName: String, numRows: Int): Unit
- def addGroupColumn[T](rows: Array[T]): Unit
- def addIntField(field: Array[Int], fieldName: String, numRows: Int): Unit
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def
close(): Unit
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- LightGBMDataset → AutoCloseable
- val datasetPtr: SWIGTYPE_p_void
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final
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eq(arg0: AnyRef): Boolean
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notifyAll(): Unit
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def
numData(): Int
Get the number of rows in the Dataset.
Get the number of rows in the Dataset.
- returns
The number of rows.
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def
numFeature(): Int
Get the number of features in the Dataset.
Get the number of features in the Dataset.
- returns
The number of features.
- def setFeatureNames(featureNamesOpt: Option[Array[String]], numCols: Int): Unit
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def
toString(): String
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- def validateDataset(): Unit
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