breast_cancer数据集的本地的存储位置 使用示例 from sklearn.datasets import load_breast_cancer cancer=load_breast_cancer() x=cancer.data y=cancer.target x.shape,y.shape >>> ((569, 30), (569,)) # 查看标签名称 cancer.target_names >>> array(['malignant', 'benign'], dtype='<U9') # ...