相对较新的,我有两个dataframes,每一个变量的只有所谓的final
和cv
。
final
样子:
V1
humans, aged, female, stroke
infant, male, echocardiography
aneurysm, adolescent, female, diabetes
pregnant, diabetes, female
cardiovascular diseases, complications
和cv
看起来像
V2
stroke
pregnant
echocardiography
aneurysm
diabetes
cardiovascular diseases
我想操纵final
,使其只包括存在于cv
文本。这就是我想要的产生的final
数据框的样子:
V1
stroke
echocardiography
aneurysm, diabetes
pregnant, diabetes
cardiovascular diseases
请指教。谢谢!
请勿在此处复制/粘贴您的数据。请阅读[如何在R中创建一个很好的重现示例](https://stackoverflow.com/questions/5963269/how-to-make-a-great-r-reproducible-example) – Masoud