平均查全率 meaning in Chinese
recall level average
Examples
- Finally an open test is done on the developed system nntcs . as experiment results show , nntcs can reach both high precision and high recall on average
最后对nntcs进行了开放性测试,实验表明nntcs对文本分类具有较高的平均查全率和平均精度。 - 4 . for the improved algorithm experimental results , the average recall is 96 . 35 % , and the average precision is 90 . 87 % . the experimental results indicate that the improved algorithm is suit for chinese text automatic classification
基于改进后的中心向量法重构自动分类器,测试取得了开放测试平均查全率90 . 35 、平均准确率90 . 87和封闭测试平均查全率98 . 36 、平均准确率98 . 74的分类效果,说明改进后的算法适合中文文本分类。 - ( 2 ) the influence to classification result is highly effected by using different classifier , for example , the center - vector algorithm obtains better classification results than other two algorithms . with the character feature , the average recall is 80 . 73 % , and the average precision is 82 . 94 % , and with the chinese - word feature , the average recall is 83 . 6 % , and the average precision is 85 . 97 % . different corpuses influence the classification result . for example , the average recall is 89 . 31 % and the average precision is 88 . 33 % , by using the news web pages as corpus from the web site " www . sina . com . cn " , which adopt the center - vector algorithm to structure classifier and select chinese - word as feature
对三种分类器分别以字、词为特征进行分类测试、分析发现:使用相同的分类算法,用词作为特征项,比以字作为特征的分类效果好;用不同的算法构造分类器对分类效果的影响很大,如中心向量算法在字、词特征下的分类效果优于其他两算法;在以字为特征的情况下,该算法的平均查全率80 . 73 ,平均查准率82 . 94 ;在以词为特征的情况下,该算法的平均查全率83 . 6 ,平均查准率85 . 97 ;选用语料不同对分类效果也有影响,如用新浪网( www . sina . com . cn )网页语料进行测试,使用中心向量法分类器和词作为特征的情况下,平均准确率为89 . 31 ,平均查全率为88 . 33 。