early stopping softmax批量梯度下降(BGD)手动实现
环境scikit-learn==0.21.3python==3.7numpy==1.16.4jupyter数据集使用sklearn鸢尾花数据集，是个字典，keys有[‘data’, ‘target’, ‘target_names’, ‘DESCR’, ‘feature_names’, ‘filename’], data有四个特征from sklearn import datasetsiris = datasets.load_iris()print(list(iris.keys()))
