/
SparseLabeledPoint.scala
39 lines (36 loc) · 1.15 KB
/
SparseLabeledPoint.scala
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/*
* Copyright 2018 Spotify AB.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package com.spotify.featran.xgboost
import ml.dmlc.xgboost4j.LabeledPoint
/**
* Class to distinguish sparse `LabeledPoint` from its dense type.
*
* See `LabeledPoint` doc for field doc.
*/
final class SparseLabeledPoint private[xgboost] (
label: Float,
size: Int,
indices: Array[Int],
values: Array[Float],
weight: Float = 1f,
group: Int = -1,
baseMargin: Float = Float.NaN
) extends Serializable {
require(indices != null, "Indices can't be null")
val labeledPoint: LabeledPoint =
LabeledPoint(label, size, indices, values, weight, group, baseMargin)
}