Python大战机器学习中支持向量回归SVC程序报错ImportError: cannot import name 'cross_validation' from 'sklearn'
版本问题出现的错误:Python2.7中:importmatplotlib.pyplotaspltimportnumpyasnpfromsklearnimportdatasets,linear_model,cross_validation,svmdefload_data_classfication():iris=datasets.load_iris()X_train=iris.datay_trai