1.预先修剪(Pre-Pruning)2.事后修剪( Post-pruning )预先修剪的意思是,在决策树生长完成前,就对其树枝进行修剪。 123android.blogspot.com|基于6个网页 2. 事前修剪 ...修剪决策树 最佳化决策树 萃取知识规则 21 •事前修剪(Pre-Pruning) – 运用统计门槛值加以衡量,譬如卡方值或资讯 获得值 … ...
预剪枝(Pre-Pruning):预剪枝就是在构造决策树的过程中,先对每个结点在划分前进行估计,若果当前结点的划分不能带来决策树模型泛华性能的提升,则不对当前结点进行划分并且将当前结点标记为叶结点。
您现在的位置:生物医药大词典 >> 通用词典 >> 词汇解释: Prepruning Prepruning分享到: 预剪枝分类: 科技 | 查看相关文献(pubmed) | 免费全文文献 详细解释:以下为句子列表:分享到: 赞助商链接 你知道它的英文吗? ·极性检测 ·多项式核函数 ·池化 ·正类 ·正定矩阵 ·后续检验 ·后剪枝 ...
For pre-pruning, PDTBS prevented the node of a small sample set from extending; PDTBP prevented the node of a high purity sample set from extending. The time complexities of two algorithms were analyzed linear. Experiment results on UCI data show that the two algorithms can pre-prune ...
树剪枝有两种方法:先剪枝(Prepruning)和后剪枝(Postpruning) 参考答案:对 点击查看答案
Pre-pruning for vines trellised device to facilitate and improve the passage of the stakes while respecting the fencing 来自 掌桥科研 喜欢 0 阅读量: 6 申请(专利)号: FR19970002381 申请日期: 1997-02-24 公开/公告号: FR2759855B3 公开/公告日期: 1998-12-24 ...
Place of Origin:CN;SHN;After-sales Service Provided:Engineers available to service machinery overseas;Type:Tractor Mounted;Brand Name:SAMTRA;Use:pre-prune grape vine;Certification:SGS CE ISO;Condition:New;Model Number:PJS-1 PJM-1;|Alibaba.com
Cutting machine, especially to be used for pruning and pre-pruning tied vines not available for EP0696417 of corresponding document: US5737908 A pre-pruning machine for trellised vines comprises a cutting module featuring superimposed tools each consisting of a cage and a cutting organ, and a fee...
An implementation of decision tree, with algorihtms for pre-pruning and post-pruning. Only ID3 now. Use graphviz for visualization. - MogicianXD/DecisionTree
51CTO博客已为您找到关于决策树 prepruning的相关内容,包含IT学习相关文档代码介绍、相关教程视频课程,以及决策树 prepruning问答内容。更多决策树 prepruning相关解答可以来51CTO博客参与分享和学习,帮助广大IT技术人实现成长和进步。