AttributeError: 'numpy.ndarray' object has no attribute 'toarray'

用shap进行feature extraction 的时候,出现了报错:

X_test_arr = X_test.toarray()

AttributeError: 'numpy.ndarray' object has no attribute 'toarray'

请教大家如何解决?

之前TruncatedSVD.transform返回一个数组,而不是稀疏矩阵,所以不能用toarray

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