如何将 R 中数据框的部分日期转换为日期列？

Question

So assuming I have a df like:

   <chr>          <chr>            <chr>
  Category        Date             Type
1 x               Jan 2              g
2 x2              Jan 5              a
3 x3              Mar 7              b
4 x4              Apr 9              c 
5 x5              Dec 12             o

How would I use the lubridate library to convert my character dates into actual dates?

I've been trying to use lubridate but not sure how to convert the chars into number eg Jan into 1, Mar into 3 or directly convert them given that they aren't in the mdy() function scope as they are partial dates.

Answer 1

Just provide a year:

x <- c("Jan 2")
as.Date(paste0("2020 ", x), "%Y %b %d")
# "2020-01-02"

Answer 2

We can use

library(lubridate)
mdy(x, truncated = 2)
#[1] "2020-01-02"

data

x <- "Jan 2"