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public LDA(OperatorDescription描述){超级(描述);getTransformer()。addRule(new GenerateNewExampleSetMDRule(exaOutput)) {@Override公共无效transformMD() {尝试{exaOutput.deliverMD (LDAModel.createExampleSetMetaData (getParameterAsInt (PARAMETER_NUMTOPICS)));} catch (UndefinedParameterError UndefinedParameterError) {exaOutput.deliverMD (LDAModel.createExampleSetMetaData (1));}}});getTransformer()。addRule(new GenerateNewExampleSetMDRule(topicOutput) {@Override公共无效transformMD() {md = new ExampleSetMetaData();md.addAttribute(new AttributeMetaData("topicId", Ontology.INTEGER));md.addAttribute(new AttributeMetaData("word", Ontology.NOMINAL));md.addAttribute(new AttributeMetaData("weight", Ontology.REAL));topicOutput.deliverMD (md);}});getTransformer()。addRule(new GenerateNewMDRule(performanceOutput, new MetaData(PerformanceVector.class)));}
答案
德国多特蒙德