具有summarise()的dplyr group_by()无法作为* I *执行
我意识到这是操作员错误,但是我一直在搜索文档和该站点以寻找答案,但无法弄清。
这是我的数据:
df <- structure(list(ID= c("A757EHpLOya", "A757EHpLOya", "A757EHpLOya",
"A757EHpLOya", "A757EHpLOya", "AcjfpLUXjwt", "AcjfpLUXjwt", "AcjfpLUXjwt",
"AcjfpLUXjwt", "AcjfpLUXjwt", "AcjfpLUXjwt...