【发布时间】:2019-09-30 21:07:29
【问题描述】:
在以下列表中,我想保留每个项目的第一个值。
[[1]]
[1] "Avatar" "\xe6"
[[2]]
[1] "Pirates of the Caribbean: At World's End" "\xe6"
[[3]]
[1] "Spectre" "\xe6"
看起来像
[[1]]
[1] "Avatar"
[[2]]
[1] "Pirates of the Caribbean: At World's End"
[[3]]
[1] "Spectre"
【问题讨论】:
-
这是另一个相关帖子:stackoverflow.com/q/22430365/5325862
标签: r