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- fast KNN algorithm 快速KNN算法
- KNN algorithm is a common and effective text categorization algorithm. KNN算法是一种常用的效果较好的文本分类算法。
- In this paper,a flexible KNN algorithm is developed with varying-K algorithm and weighting algorithm,which improves the effect of text categorization. 基于近邻序列的排序,提出了变K算法,并且结合效果较好权重算法,形成了柔性的KNN算法,提高了分类的效果。
- Projection Pursuit is used firstly text classification. After text vector is projected to one dimensional space, we classify the test-set using KNN algorithm. 首次将投影寻踪的方法应用于文本分类,将文本向量投影到一维空间后,再利用KNN方法进行文本的自动分类,是投影寻踪和KNN算法的结合。
- Experiments with the UCI dataset demonstrate that our method performs better than many existing algorithms such as the KNN algorithm and the mean method in terms of imputation efficiency. 实验结果表明,该方法在填补效果与效率方面都比现有的KNN填补法和普通的均值替代法要好。
- Counting-based weighted kNN algorithm(CwkNN) 计数最近邻分类算法
- In this paper, the text feature dimensions reduction and text categorization rule extraction using decision tree are investigated, and some new KNN algorithms are represented for text categorization. 本文主要研究了文本特征空间的降维问题、利用决策树抽取文本分类规则问题和改进KNN算法以适应文本分类问题。
- He worked very fast, insomuch that he was through in an hour. 他工作得很快,一小时内便做完了。
- He's not a fast horse but he's certainly a stayer. 这匹马跑得不快,但很有耐力。
- Bind the rope fast lest it should come loose. 把绳子绑牢,免得它松脱。
- Bill has a feeling he is on a fast track. 比尔感觉到他正快速迈向成功。
- A car journey is as fast as a train journey. 乘汽车旅行跟乘火车旅行一样快。
- A car overtook me although I was going very fast. 我虽然开得很快,还是被一辆汽车超前了。
- I must be at Hudson before I break my fast. 吃早饭之前,我肯定已到哈得逊区。
- Let's walk fast in order to keep warm. I'm cold. 咱们快些吧,以保持身体暖和。我感到冷。
- I can move very fast across the ice on skates. 我穿着冰鞋在冰上滑得很快。
- He ran fast enough to catch the thief. 他跑得飞快,足以抓住那小偷。
- He stuck hard and fast to his principles. 他坚定不移地坚持自己的准则。
- His head was stuck fast in the railings. 他的头卡在栅栏里动弹不得。
- His wife admonished him not to drive too fast. 他的妻子警告他开车不要超速。