Java TreeBuild类的典型用法和代码示例

本文整理汇总了Java中weka.gui.treevisualizer.TreeBuild类的典型用法代码示例。如果您正苦于以下问题：Java TreeBuild类的具体用法？Java TreeBuild怎么用？Java TreeBuild使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。

TreeBuild类属于weka.gui.treevisualizer包，在下文中一共展示了TreeBuild类的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Java代码示例。

示例1: parse

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import weka.gui.treevisualizer.TreeBuild; //导入依赖的package包/类
/**
 * Parse the J48 tree model with supplementary information about weka attributes from the header.
 * Each Disjunction in Disjunctive Normal Form (DNF).
 * @param cModel J48 tree model to parse
 * @param header to reference Weka Attributes
 * @return Map of Disjunctions of traces for each class value
 * @throws Exception
 */
@SuppressWarnings("unchecked")
public static Map<String, DNF> parse(J48 cModel, Instances header) throws Exception {
	Map<String, DNF> valueTraces = new HashMap<String, DNF>();
	
	// get tree node structure from model
	Reader treeDot = new StringReader(cModel.graph());
	TreeBuild treeBuild = new TreeBuild();
	Node treeRoot = treeBuild.create(treeDot);
	
	// set up one disjunction per class value
	Attribute classAttr = header.classAttribute();
	Enumeration<String> values = classAttr.enumerateValues();
	while (values.hasMoreElements()) {
		valueTraces.put(values.nextElement(), new DNF());
	}
	
	// recursively parse
	parse(
		treeRoot, header,
		new Reason(),
		valueTraces
	);
	
	// each Disjunction is naturally in DNF according to parsing process
	
	return valueTraces;
}
 

开发者ID:claudiotrindade，
项目名称:contexttoolkit，
代码行数:36，
代码来源:J48Parser.java

示例2: findTreePath

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import weka.gui.treevisualizer.TreeBuild; //导入依赖的package包/类
/**
 * Parse the tree model to find the tree path
 * @param instance Instance whose tree path need to be computed
 * @param attsList the list of Attributes
 * @param cModel the J48 current model
 * @return String that keeps the tree path found 
 * @throws Exception
 */
public static String findTreePath(Instance instance,List<Attribute> attsList,J48 cModel) throws Exception{
	
	//re-initialize check variable for the new instance
	check=false;
	//define the pathToResult var that keeps the path computed
	List<String> pathToResult = new ArrayList<String>();
	//attributes var
	atts=attsList;
	
	//define the tree details
	Reader treeDot = new StringReader(((J48) cModel).graph());
	TreeBuild treeBuild = new TreeBuild();
	Node treeRoot = treeBuild.create(treeDot);
	
	//recursively parse the tree model
	findTreePath(treeRoot,instance,pathToResult);
	
	//integrate the separate strings into one String
	StringBuilder sb = new StringBuilder();
	for (int j=0;j<pathToResult.size();j++){
		sb.append((j+1)+" "+pathToResult.get(j)+"\n");
	}
	String result = sb.toString();
	
	return result;
}
 

开发者ID:socialsensor，
项目名称:computational-verification，
代码行数:35，
代码来源:J48Parser.java