-
TFIDF-master
tf–idf, short for term frequency–inverse document frequency, is a numerical statistic that is intended to reflect how important a word is to a document in a collection or corpus.[1]:8 It is often used as a weighting factor in information retrieval and text mining. The tf-idf value increases proportionally to the number of times a word appears in the document, but is offset by the frequency of the word in the corpus, which helps to control for the fact that some words are generally more common than others.
Variations of the tf–idf weighting scheme are often used by search engines as a central tool in scoring and ranking a document s relevance given a user query. tf–idf can be successfully used for stop-words filtering in various subject fields including text summarization and classification.
One of the simplest ranking functions is computed by summing the tf–idf for each query term many more sophisticated ranking functions are variants of this simple model.
- 2014-02-23 09:01:44下载
- 积分：1
-
测回法
根据测回法测得的角度进行计算使得角度的误差变得更小(According to the angle measured by the method of measurement, the angle error becomes more accurate.)
- 2018-10-16 10:21:01下载
- 积分：1
-
1.上传所有文件到你的空间。
2.把数据库文件FORUM.sql导入数据库。
3.修改config.php 和 data文件夹属性为0777。
4....
1.上传所有文件到你的空间。
2.把数据库文件FORUM.sql导入数据库。
3.修改config.php 和 data文件夹属性为0777。
4.后台管理地址:/admin/login.php 初始管理账号: 用户名：admin 密码：admin -1. From all the files to your space.
2. FORUM.sql the database file into the database.
3. Config.php and modify attribute data for the 0777 folder.
4. Admin Address:/admin/login.php initial management of account: Username: admin Password: admin
- 2022-07-15 20:10:22下载
- 积分：1
-
transformers
Transformer fault analysis using PSCAD.
- 2014-07-20 10:54:03下载
- 积分：1
-
好例子网_人工势场结合FUZZY
说明： 用人工势场算法结合模糊控制算法的路径规划(Path planning with artificial potential field algorithm and fuzzy control algorithm)
- 2020-03-02 14:42:03下载
- 积分：1
-
Altium_Package_LMH0340
Altium Reference design for LMH0340 test bed and design
- 2013-05-11 04:21:35下载
- 积分：1
-
基于TCP的协议分析，分析引擎为WINPCAP，这个主用用来分析HTTP
基于TCP的协议分析，分析引擎为WINPCAP，这个主用用来分析HTTP-based on the TCP protocol analysis, analysis of WINPCAP engine, the main use to analyze HTTP
- 2022-01-24 14:18:01下载
- 积分：1
-
picture_to_eps
pic_eps.bat 批处理文件 可以很方便的将任意格式的图片转为eps格式(pic_eps.bat batch file can easily be converted to any format image eps format)
- 2013-07-15 19:34:41下载
- 积分：1
-
SimpleHistogramDisplay
Simple Histogram with swings
- 2009-04-29 17:41:06下载
- 积分：1
-
通讯程序的server端，可以管理很多消息。对初学边写服务器的人有帮助。推荐大家下载。...
通讯程序的server端，可以管理很多消息。对初学边写服务器的人有帮助。推荐大家下载。-Client server communication process, you can manage a lot of news. Learning to write the server side of those who have helped. Recommend everyone to download.
- 2022-02-24 12:03:01下载
- 积分：1
