TransformsCatalog.FeatureSelectionTransforms 类

定义

用于 MLContext 创建功能选择转换组件的实例的类。

public sealed class TransformsCatalog.FeatureSelectionTransforms
type TransformsCatalog.FeatureSelectionTransforms = class
Public NotInheritable Class TransformsCatalog.FeatureSelectionTransforms
继承
TransformsCatalog.FeatureSelectionTransforms

扩展方法

SelectFeaturesBasedOnCount(TransformsCatalog+FeatureSelectionTransforms, InputOutputColumnPair[], Int64)

创建一个 CountFeatureSelectingEstimator,它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,它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,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,其相互信息与标签列排序。

适用于