更新时间:2023-02-26 18:52:36
这里是一个底数为R的班轮
Here's one liner with base R
df1[which.max(as.POSIXct(df1$InsertDate)), ]
# EditDate ID Avg Sig InsertDate FW
# 3 2015-04-07 11:40:13 DL1X8 38.1517 11.4588 2015-04-10 9:40:00 40
或使用data.table
library(data.table)
setDT(df1)[which.max(as.POSIXct(InsertDate))]
# EditDate ID Avg Sig InsertDate FW
# 1: 2015-04-07 11:40:13 DL1X8 38.1517 11.4588 2015-04-10 9:40:00 40