基于机器学习的湖北省夏季干旱预测模型构建与检验

王雅君, 罗菊英, 程烈海, 李伟

Construction and validation of summer drought prediction model in Hubei Province based on machine learning algorithms

WANG Yajun, LUO Juying, CHENG Liehai, LI Wei

图4 分类回归树算法建模中训练集（a）和测试集（b）的混淆矩阵

Fig.4 The confusion matrix of training set （a） and test set （b） in classification and regression tree algorithm model