frequency selection的例句大全

Choice A study of Feature Selection for Text Categorization Base on Term Frequency

基于词条频率的特征选择算法研究

This paper compares several feature selection methods in text categorization, proposes a new feature selection method based on term frequency and inverse document frequency.

本文在分析比较几种用于文本分类的特征选择方法的基础上，提出了一种基于术语频率和逆文档频率的特征选择方法TDF。

Current feature selection algorithms are all based on term frequency, and ignore the class information in the training sample set. A new feature selection algorithm based on class information was put forward.

目前的索引词选择算法大多是基于词频的，没有利用训练样本中的类别信息，为此提出了一种新的基于类别的特征选择算法。

In the third stage, the form of stimuli, the frequency of knowledge points, the intimate emergence of the present utterances and the subject's cognition hold sway over knowledge selection.

在第三阶段，刺激形式、知识点频度、当前话语的近现性和主体认知水平对知识选择具有重要影响；

Optimal Order-Placing Frequency of Chain Stores Under Scale Economies in Transportation A Joint Decision-making of Chain Store Location and Distribution Center Selection in Supply Chain

基于运输规模经济的连锁门店最优订货频率供应链环境下连锁门店选址与配送中心选择联合决策研究

Criterion Selection of Power Supply Frequency for Magnetic Stirrer

选择电磁搅拌器电源频率的判据

This article needs to inspect the verb using Mr. Yao Zhenwu "Part of speech Research" to the verb inspection as a foundation, the selection is in the predicate position, the frequency of use above 5 times, to contain five verbs.

本文要考察的动词是以姚振武先生《晏子春秋词类研究》中对动词的考察为基础，严格选取处于谓语位置上、使用频率在5次以上、包含5次的动词。

A Study on the High Frequency Somatic Embryogenesis in Gossypium Hirsutum and Salt-resistant Cell Line Selection

陆地棉胚状体发生高效再生体系的建立和抗盐细胞系筛选的研究