当前位置:网站首页>R语言使用rpart包构建决策树模型、选择合适的树大小(复杂度)检查决策树对象的cptable内容(树的大小由分裂次数定义、预测误差)、使用plotcp函数可视化决策树复杂度参数与交叉验证错误的关系
R语言使用rpart包构建决策树模型、选择合适的树大小(复杂度)检查决策树对象的cptable内容(树的大小由分裂次数定义、预测误差)、使用plotcp函数可视化决策树复杂度参数与交叉验证错误的关系
2022-06-10 09:34:00 【Data+Science+Insight】
R语言使用rpart包构建决策树模型、为了选择合适的树大小(复杂度)检查决策树对象的cptable内容(树的大小由分裂次数定义、预测误差)、使用plotcp函数可视化决策树复杂度参数与交叉验证错误的关系、选择合适的树大
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