FeatureSelectionCatalog 类

定义

命名空间:

Microsoft.ML

程序集:

Microsoft.ML.Transforms.dll

包:

Microsoft.ML v2.0.0

用于 TransformsCatalog 创建功能选择转换器组件的实例的扩展方法集合。

public static class FeatureSelectionCatalog

type FeatureSelectionCatalog = class

Public Module FeatureSelectionCatalog

继承

Object

FeatureSelectionCatalog

方法

SelectFeaturesBasedOnCount(TransformsCatalog+FeatureSelectionTransforms, InputOutputColumnPair[], Int64)	创建一个 CountFeatureSelectingEstimator，用于选择非默认值计数大于或等于阈值的槽。
SelectFeaturesBasedOnCount(TransformsCatalog+FeatureSelectionTransforms, String, String, Int64)	创建一个 CountFeatureSelectingEstimator，用于选择非默认值计数大于或等于阈值的槽。
SelectFeaturesBasedOnMutualInformation(TransformsCatalog+FeatureSelectionTransforms, InputOutputColumnPair[], String, Int32, Int32)	创建一个 MutualInformationFeatureSelectingEstimator，它选择所有指定列的顶部 k 槽，按其相互信息与标签列排序。
SelectFeaturesBasedOnMutualInformation(TransformsCatalog+FeatureSelectionTransforms, String, String, String, Int32, Int32)	创建一个 MutualInformationFeatureSelectingEstimator，它选择所有指定列的顶部 k 槽，按其相互信息与标签列排序。