How to sort a data frame by date

Question

I need to sort a data frame by date in R. The dates are all in the form of \"dd/mm/yyyy\". The dates are in the 3rd column. The column header is V3. I have seen how to s

Answer 1

Nowadays, it is the most efficient and comfortable to use lubridate and dplyr libraries.

lubridate contains a number of functions that make parsing dates into POSIXct or Date objects easy. Here we use dmy which automatically parses dates in Day, Month, Year formats. Once your data is in a date format, you can sort it with dplyr::arrange (or any other ordering function) as desired:

d$V3 <- lubridate::dmy(d$V3)
dplyr::arrange(d, V3)