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今天介绍一个非常实用的R包，可帮助各位快速拟合Cox回归模型，制作表格，画出生存曲线以及HR森林图！进入实战部分，首先安装并且载入所需R包： 下一步，查看R包{finalfit}中…

An 80-year-old man is brought to the emergency department by his daughter after suffering …

Oogenesis results in the production of one haploid ovum and three polar bodies in a proces…

1. 创建数据框：使用read_csv()或read_excel()方法读取数据文件，也可以使用DataFrame()方法从列表或字典创建数据帧。例如，通过以下方式创建数据框： 2…

A 3-month-old child is brought to his pediatrician’s office for a check-up. On examination…

1、设置工作环境并加载R包： 2、加载数据： 3、绘图 1）先绘制散点图并添加拟合曲线： 2）绘制柱状堆积图： 3）组合图形：

1. 安装和加载R包 2.加载数据 这个数据集收集了B/C 期结肠癌患者辅助化疗后的生存时间数据。 3、查看数据集 有些数字型变量其实是分类变量，需要先转换数据类型。转换后构建新的…

前面，我们已经有过四篇关于倾向性评分的文章：倾向性评分分析、手把手教你SAS实现倾向性评分匹配、倾向性评分overlapping weighting的SAS实现（一）以及生存资料倾…

2023年5月30日，德克萨斯大学奥斯汀分校戴尔医学院学者，在《Jama Neurology》(IF=29.91)，发表题为“ Symptomatic Intracranial H…

A 32-year-old man presented with 1-month history of enlarging necrotic chest wounds. He re…

A 16-year-old girl visits her family physician with complaints of amenorrhea. Although she…

A 9-year-old girl is brought to the emergency department with an arrhythmia that started w…

The statistical distribution of two studies is shown below. The mean is equal to the media…

A 26-year-old woman and her husband visit the clinic, because they have been trying to con…

A 62-year-old man arrives at his doctor’s office complaining of recent onset dull pain in …