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package org.apache.mahout.clustering.conversion; 目的：读取输入转换成vector输出 [code="java"] private static final Pattern SPACE = Pattern.compile(" "); private Constructor constructor; [/code] 用反射加载vec...

[color=olive]package org.apache.mahout.text;[/color]目的:目录下文本文件转成sequence格式 main函数入口SequenceFilesFromDirectory类 三个基本项,fs writer 和 filter [code="java"] FileSystem fs = FileSystem.get(conf); Ch...

package org.apache.mahout.clustering.kmeans; public class KMeansDriver extends AbstractJob kmeans的入口KMeansDriver类 run函数中buildClusters,clusterData [code="java"] Path clustersOut = buildCl...

package org.apache.mahout.math; public final class VectorWritable extends Configured implements Writable VectorWritable 类包裹了Vector,提供了读写能力 private Vector vector; private boolean writesLaxPrecis...

package org.apache.mahout.clustering.kmeans; public final class RandomSeedGenerator 完成中心点随机取样的过程 hdfs操作,比较普遍,先删除再新建 [code="java"] FileSystem fs = FileSystem.get(output.toUri(), conf); ...

定义框架接口 由具体实现类实现 [code="java"] public interface Tool extends Configurable { int run(String [] args) throws Exception; } [/code] ToolRunner 同一的入口调用 按配置解析参数，调用接口方法 [code="java"] public...

用到：泛型类 counter 哈希实现 package org.apache.mahout.clustering.minhash; public final class MinHashDriver extends AbstractJob 输入Sequence格式 输出根据debug模式可选向量和文本格式，文件可以Sequence和Text格式 [code="java"]...

package org.apache.mahout.classifier.bayes; public final class TrainClassifier bayes和cbyes的入口类 两个分支 [code="java"] public static void trainNaiveBayes(Path dir, Path outputDir, BayesParameters ...

package org.apache.mahout.fpm.pfpgrowth.convertors.string; public final class TopKStringPatterns implements Writable 用于存储pattern,进行merge找到top k的pattern 核心，pair链表，每个pair由pattern构成的string链表和long...

用到： 文件读写,文件夹下遍历文件处理 package org.apache.mahout.classifier; public final class BayesFileFormatter 提供了两个处理方式 将文件夹下所有文件处理后写入单一文档，和文件分别写入文档 单文档 [code="java"] public static void collapse(Stri...

package org.apache.mahout.fpm.pfpgrowth.fpgrowth; public class Pattern implements Comparable pattern封装了一组item，每个item的support值，整体的support值 [code="java"] private int[] pattern; private...