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                ## ArrayDataset > 將數據保存為PHP數組類型的Helper類。實現在其他類中大量使用的數據集接口。 ### 構造函數參數 `$samples` - (數組)樣本 `$labels` - (數組)標簽 ``` use Phpml\Dataset\ArrayDataset; $dataset = new ArrayDataset([[1, 1], [2, 1], [3, 2], [4, 1]], ['a', 'a', 'b', 'b']); ``` ***** ### 樣品和標簽 要獲取樣本或標簽,您可以使用`getter`: ``` $dataset->getSamples(); $dataset->getTargets(); ``` ***** ### 刪除列 您可以按索引號刪除列,例如: ``` use Phpml\Dataset\ArrayDataset; $dataset = new ArrayDataset( [[1,2,3,4], [2,3,4,5], [3,4,5,6], [4,5,6,7]], ['a', 'a', 'b', 'b'] ); $dataset->removeColumns([0,2]); // now from each sample column 0 and 2 are removed // [[2,4], [3,5], [4,6], [5,7]] ```
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