本文整理汇总了Scala中org.apache.spark.ml.tree.LeafNode类的典型用法代码示例。如果您正苦于以下问题：Scala LeafNode类的具体用法？Scala LeafNode怎么用？Scala LeafNode使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了LeafNode类的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Scala代码示例。
示例1: NodeToMleap
//设置package包名称以及导入依赖的类
package org.apache.spark.ml.mleap.converter
import com.truecar.mleap.core.linalg.{DenseVector, Vector}
import com.truecar.mleap.core.tree
import com.truecar.mleap.spark.MleapSparkSupport._
import org.apache.spark.ml.tree.{InternalNode, LeafNode, Node}
case class NodeToMleap(node: Node) {
def toMleap(includeImpurityStats: Boolean): tree.Node = {
node match {
case node: InternalNode =>
tree.InternalNode(node.prediction,
node.impurity,
node.gain,
node.leftChild.toMleap(includeImpurityStats),
node.rightChild.toMleap(includeImpurityStats),
node.split.toMleap)
case node: LeafNode =>
val impurityStats = if(includeImpurityStats) {
Some(DenseVector(node.impurityStats.stats))
} else { None }
tree.LeafNode(node.prediction, node.impurity, impurityStats)
}
}
}