@Service public class StandardizeDealBizImpl implements StandardizeDealBiz { private static final Logger LOGGER = LoggerFactory.getLogger(FeatureSelectBizImpl.class); @Override public Instances standardizeDeal(Instances data) { LOGGER.info("[standardizeDeal]:标准化处理开始"); Instances newData = null; try { if (data.classIndex() == -1) { data.setClassIndex(data.numAttributes() - 1); } Standardize filter = new Standardize(); filter.setInputFormat(data); newData = Filter.useFilter(data, filter); } catch (BizException bizE) { LOGGER.error("标准化处理出现业务异常,错误原因:", bizE); } catch (Exception e) { LOGGER.error("标准化处理出现系统异常,错误原因:", e); } return newData; } }
weka学习(四)标准化
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转载自my.oschina.net/u/3701483/blog/2244612
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