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1)  statistical evaluation
统计评价
1.
Previous research on lexical collocation extraction have considered that most statistical evaluation approaches have the same effective ness, however, analyses show that these approaches have different advantages and disadvantages so they can complement each other.
以往的词汇搭配抽取统计评价方法具有大致相同的效果,它们各有优劣,可以实现优势互补。
2)  statistical appraisal
统计学评价
3)  Graph evaluation
统计图评价
4)  statistical estimation
统计评价法
5)  statistics and evaluation
统计和评价
6)  statistical evaluation method
统计评价方法
1.
This paper analyzes some statistical evaluation methods,and finds that mutual information is able to measure the independency of two meta in order to discard irrelevant ones;χ2-test is more reasonable to evaluate lexical selection preference;log likelihood ratio can obtain spare lexical combination and solve spare data problem,which is a bottleneck to other methods.
通过分析几种统计评价方法发现,互信息法可用于衡量二元独立性,淘汰机会二元组;χ2检验能更合理地评价词汇组合的选择倾向性,获取频繁二元组发现;对数似然比检验可以有效获取稀疏二元组,弥补其他方法无法克服的稀疏数据问题。
补充资料:地下水水资源评价(见水资源评价)


地下水水资源评价(见水资源评价)


  d ixiashui shuiziyuan Ping】ia地下水水资源评价见水资源评价。
  
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