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                ### 隨機拆分 > 交叉驗證中最簡單的方法之一是作為RandomSpilt類實現的。樣本分為兩組:訓練組和測試組。您可以調整每組中的樣本數。 ### 構造函數參數 `$dataset` - 實現數據集接口的對象 `$testSize` - 測試拆分的一小部分(浮點數,從0到1,默認值:0.3) `$seed` - 隨機生成器的種子(例如用于測試) ``` $randomSplit = new RandomSplit($dataset, 0.2); ``` ***** ### 樣品和標簽組 要從測試和訓練組中獲取樣本或標簽,您可以使用getter: ``` $dataset = new RandomSplit($dataset, 0.3, 1234); // train group $dataset->getTrainSamples(); $dataset->getTrainLabels(); // test group $dataset->getTestSamples(); $dataset->getTestLabels(); ```
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