R中的新增功能,我具有以下数据框,我想针对“创建的”列或“封闭的”列在“名称”列中绘制每个单独的名称。因此,我需要以某种方式选择所需的名称(尝试选择输入)并显示带有相应日期的图。
_ = try? isUpdateAvailable { (update, error) in
if let error = error {
print(error)
} else if let update = update {
print(update)
}
}
我尝试过没有成功:
> str(closed_srs3)
Classes ‘tbl_df’, ‘tbl’ and 'data.frame': 8220 obs. of 5 variables:
$ Name : chr "DASOVOUNIX" "MYSTEGNA_X" "PETROCHORI_SAR" "AGNIK_SAR" ...
$ Id : num 3311 1632 4779 4796 4291 ...
$ Date : POSIXct, format: "2019-01-31" "2019-01-31" "2019-01-31" "2019-01-31" ...
$ Created: POSIXct, format: "2019-01-31" "2019-01-31" "2019-01-31" "2019-01-31" ...
$ Closed : POSIXct, format: "2019-02-01" "2019-02-01" "2019-02-01" "2019-02-01" ...