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1、项目属性 项目有一个特定的目的项目是临时性的项目是通过不断完善细节而逐步开展的项目通常需要来自不同领域的资源项目应有一个主要客户或发起人项目含有不确定性

Ensemble Learning

信息熵 信息的不确定性 条件熵 在给定随机变量Y的条件下,随机变量X的不确定性

Ajax data crawling

What is Ajax? AJAX is a technology that uses JavaScript to exchange data with the server and update part of the web page without refreshing the page and changing the page link. Basic principles: Send requests parse content render web pages

PyPi Tsinghua source

Pypi mirror is synchronized every 5 minutes. Temporary use Temporary use official source