語言

FeatureSelectionCatalog 類別

定義

建立特徵選擇變換器元件實例的擴充方法 TransformsCatalog 集合。

public static class FeatureSelectionCatalog
type FeatureSelectionCatalog = class
Public Module FeatureSelectionCatalog
繼承
FeatureSelectionCatalog

方法

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

建立一個 CountFeatureSelectingEstimator,選擇非預設值數量大於或等於某個閾值的槽位。

SelectFeaturesBasedOnCount(TransformsCatalog+FeatureSelectionTransforms, String, String, Int64)

建立一個 CountFeatureSelectingEstimator,選擇非預設值數量大於或等於某個閾值的槽位。

SelectFeaturesBasedOnMutualInformation(TransformsCatalog+FeatureSelectionTransforms, InputOutputColumnPair[], String, Int32, Int32)

建立一個 MutualInformationFeatureSelectingEstimator,根據標籤欄的互信息排序,從所有指定欄位中選擇頂尖的 k 個槽位。

SelectFeaturesBasedOnMutualInformation(TransformsCatalog+FeatureSelectionTransforms, String, String, String, Int32, Int32)

建立一個 MutualInformationFeatureSelectingEstimator,根據標籤欄的互信息排序,從所有指定欄位中選擇頂尖的 k 個槽位。

適用於