Under the instruction of the theory this paper proposes a newdecision tree pruning approach based on rough set theory .

基于这一理论的指导，本文提出了一种基于粗糙集理论的决策 树 剪枝算法。

Decision tree pruning algorithm with IF-THEN rules

基于IF-THEN规则的决策 树 裁剪算法

Introduces decision tree and points out its key techniques : the choice of testing feature and tree pruning .

概述了决策树分类算法，指出了决策树算法的核心技术：测试属性的选择和 树枝 修剪 技术。

Virtual Reality and Fruit Tree Pruning

虚拟现实与 果树 修剪

To solve these problems this thesis studies these key technologies in security audit process : feature selection discretization of continuous attribute splitting attribute selection standard and decision tree pruning . Firstly this thesis studies feature selection methods .

针对这些问题，本文对特征选择、连续属性离散化、分裂属性选择以及决策 树 剪枝这些安全审计过程中的关键技术进行了研究。

A new decision tree pruning method based on RST

基于粗集理论的新决策 树 剪枝方法

Query Expansion with LCA Based Concept Tree Pruning

局部上下文分析 剪枝概念 树的查询扩展

Tree pruning is good for quality and using efficiency of woods used for industry .

林木 整枝有利于工业用材林的质量和利用效率。

Then decision tree pruning methods are researched and MDL is applied to prune the tree generated by large-scale data sets . Finally audit data are analyzed by using these above-mentioned methods .

然后对决策 树 剪枝方法进行了研究，采用MDL方法对大数据集生成的树进行剪枝。最后，综合运用上述这些方法来对审计数据进行分析。

This paper focuses on the application of data mining in medical diagnosis and analyses the advantage and disadvantage of classic decision tree pruning algorithms presents a new pruning algorithm based on multi-strategy .

针对数据挖掘在临床诊断中的应用，通过对经典决策 树 剪枝算法的分析，提出了一种基于多策略思想的剪枝算法。

Study on the system of simulating fruit tree pruning

模拟 果树 修剪系统研究

Development in Studying of Physiological and Ecological Effect of Fruit Tree Pruning

果树 修剪生理生态效应的研究进展

We combine incremental methods with tree building algorithm and present a new algorithm which is suitable for increasingly training set and is very efficient . PUBLIC which puts tree pruning in the tree building phase ;

将增量式学习的方法与建树算法相结合，使其能够处理不断生长的训练集，提高算法的实时、有效性。将 树 剪枝 融入到 建树过程中的PUBLIC算法；

Exploration and Practice of Innovative Skill-training Methodology in Fruit Tree Pruning

果树 修剪技能训练创新方法的探索与实践

In this paper the decision tree pruning method based on RST is compared with the Error Based Pruning method used in C4.5 in theory and they are compared by tests on some databases . The result proves the validity of the pruning method based on RST .

本文在理论上分析比较了基于粗糙集理论的 剪枝方法和C4.5中的EBP剪枝方法，并通过在多个数据集上进行实验比较，证实了基于粗糙集理论剪枝方法的优越性。

Studies on Feed Mechanism in the Tree 's Pruning Machine with Spiral Movements

螺旋升降 式 立木 整枝机进给机构的研究

Comparison among Methods of Decision Tree Pruning

决策 树 剪枝方法的比较

This paper proposes a novel query expansion method using Local Context Analysis ( LCA ) based concept tree pruning .

介绍一种局部上下文分析（LCA） 剪枝概念 树的方法。

An introduction and overview of decision tree induction technique is provided . The basic methods of the current technique of decision tree pruning are discussed . The key ways of simplifying decision trees are also discussed .

介绍了决策树归纳技术及其发展过程，阐述了目前最流行的决策 树技术的基本方法 及简化决策树的主要方法。

On-the-spot examination and its dissected garding system for fruit tree pruning Teaching

果树 修剪教学现场考核及分解式评分标准

The course is often divided into two phases : Tree Building and Tree Pruning .

这个过程通常分为两个阶段：建树（TreeBuilding）和 剪枝（ Tree Pruning）。

After tree pruning in early June 2001 relative PAR index of the peanut crops was increased to 88.7 % and 67.5 % from 79.2 % and 63.4 % in May in the 5-year-old and 9-year-old Choerospondias axillaris alley cropping systems respectively .

2001年6月初 剪枝后，5龄和9龄南酸枣间作系统花生相对光合有效辐射分别从5月份的79.2%和63.4%增加到88.7%和67.5%；

Fruit Tree Pruning down vast quantities of timber per year .

每年 果树 修剪下来大量木材。

Firstly rough sets is used to reduce condition attribute and remove redundancy attribute and then C4.5 is used to build decision tree rule knowledge is extracted by decision tree pruning .

首先运用粗集理论对条件属性约简，去除冗余属性，然后采用C4.5算法构建决策树，并对决策 树 剪枝提取规则知识。

Planning and making of the system of simulating fruit tree pruning by the Flash MX and Database technology was introduced in this paper . It 's the first search of virtual reality technology used in the fruit tree pruning .

本文介绍的应用FLASHMX和数据库技术设计制作的模拟 果树 修剪系统，是虚拟现实技术在果树修剪上的初步探索。

Test of Jujube Tree Pruning by Pulling the 3 - year - old Branch as A Unit in Arid Hillside Jujube Garden

旱坡地 枣园以3年生枝为单位拉 枝 修剪试验

The cluster representative was constructed by three successive steps named Tree matching Tree merging and Tree pruning .

为了构建聚类代表，算法通过构造最佳匹配树，合并 树， 修剪树三步来实现。

PUBLIC which puts tree pruning in the tree building phase ;

将 树 剪枝 融入到建树过程中的PUBLIC 算法；

An approach to construct the fuzzy classification system based on the decision-tree and the genetic algorithm is proposed . First the initial decision-tree is constructed using the classification and regression tree ( CART ) algorithm ; tree pruning process reduces the initial decision-tree .

提出一种基于决策树初始化和遗传算法优化的模糊分类系统的设计方法.该方法首先采用分类和递归树（CART）算法进行决策树的 生长， 树 的 修剪过程简化了初始决策树；