当然我们也能够改动StringToWordVector代码,使其支持前两种归一化的方法。以下说下Weka中相关设置方法: 方法1:通过set方法设置 filter.setNormalizeDocLength(newSelectedTag(StringToWordVector.FILTER_NORMALIZE_ALL, StringToWordVector.TAGS_FILTER)); //FILTER_NORMALIZE_ALL 能够换位FILTER_NORMALIZE_TEST_ONLY 或FIL...
'The input is not a valid Base-64 string' ERROR 'type' does not contain a definition for 'length' 'Word.Application' is not defined "aspnet_compiler.exe" exited with code 1 "Cannot create ActiveX Component" "Exception from HRESULT: 0x800A03EC" Unable to open excel file "Failed to compa...
* StringToWordVector.java* Copyright (C) 2002 University of Waikato, Hamilton, New Zealand**/package weka.filters.unsupervised.attribute;import weka.core.Attribute;import weka.core.Capabilities;import weka.core.FastVector;import weka.core.Instance;...
Run Code Online (Sandbox Code Playgroud) 我有'textDirectoryLoader'创建的'arff'文件.然后我StringToWordVector在创建的arff文件上使用过滤器filter.setOutputWordCounts(true). 下面是应用滤镜后的输出示例.我需要澄清一些事情. @attribute numeric @attribute numeric . . @attribute earth numeric @attribute...
使用weka API 对数据进行规范化处理 DataSource source = null; Instances instances = null; try...
log.error("Failed to apply filter.", e);thrownewClassifierException("Data Filtering failed.", e); } } 开发者ID:sasinda,项目名称:OntologyBasedInormationExtractor,代码行数:22,代码来源:WekaPreProcessor.java StringToWordVectorgetWordFilter(Instances data, ClassifierStructure struct){ ...
weka的StringToWordVector类可以将给定的文档格式的内容转换为vms模型的内容,而后者是文本分类必须的模块。按照weka要求,生成arff格式的文本: @relation D__java_weka_data @attribute text string @attribute class {test1,test2,test3} @data 'here we go go go go to do ',test1 ...
StringToWordVector stwv =newStringToWordVector(); stwv.setTokenizer(tokenizer); stwv.setTFTransform(true); stwv.setIDFTransform(true); stwv.setStopwordsHandler(stopwordsHandler); stwv.setLowerCaseTokens(true); stwv.setInputFormat(instances);returnstwv; ...
Weka[35] StringToWordVector源代码分析 Weka[35] StringToWordVector源代码分析 作者:Koala++/屈伟 最近使用wvtool去算tf-idf,但它要求输入是文件,而我的数据都是很短的几句话,然而个数很多,我试着产生300万个文件,产生个字典十几个小时都完成不了,并且给我的硬盘还很小,才100G,一下就用完了,删除...
} /** * 只能删除连续的的重复数字 * @param pHead * @return */ public List...