xujunzju

A mother brings her 2-month-old infant to the emergency department because of lethargy, fa…

一些常见的R包比如gplots、venneuler、VennDiagram等最多只能画5元，而最近新出的一个R包叫venn，它能快捷的绘制6元、7元韦恩图，下面将简单描述其使用。安…

A 50-year-old Chinese immigrant presents to his primary care physician complaining of feve…

A 20-year-old man is brought to the emergency department by the police after being picked …

A 45-year-old man visited his primary care physician one month ago because of chest pain t…

An 18-year-old man comes to the physician complaining of a runny nose, sneezing, and diffi…

Homebrew 是使用 Mac OS 的一件利器，Homebrew 可以安装 Apple 没有预装但非常需要的东西。 …

A 68-year-old retired furniture mover comes to the doctor for the first time in years beca…

花香三月，遇见佳节；妇女节至，欢愉盈腮。今年恰逢是毛泽东等老一辈革命家为雷锋同志题词60周年。为贯彻习近平总书记对深入开展学雷锋活动作出的重要指示精神，喜迎第100届“三八”妇女节…

使用决策树模型，需要安装graphviz和python版本的graphviz包，使用pip install graphviz很容易安装成功，而电脑版的可以使用 brew insta…

危重症医学科已在多种最复杂疾病患者的生存方面取得重大进展。然而，取得进展的同时，人们也逐渐认识到危重症之后的复杂和持续性疾病。危重症会导致多方面获得性疾病或原有疾病加重，这些疾病可…

A 35-year-old woman who is HIV positive presents to the physician because of jaundice and …

包(Package)是R语言功能的扩展，它是由一系列函数、帮助文档和数据文件组成的文件束，类似于C++中的库或Java中的类。R之所以功能强大，是因为它具有功能丰富的扩展包。如果想…

A 30-year-old woman presented with a 3-month history of progressive skin lesions on her fa…