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Editorial Team
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Asked: 2026-06-04T10:20:12+00:00

The date in my original Excel file represents the monthly data in the format

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The date in my original Excel file represents the monthly data in the format of “Jan-01”. Of course, I can manually convert them to something more useful in the Excel first and then input that into R.

How can I convert such adate into a Date class in R?

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1 Answer

  1. Editorial Team

    If you want a date class, use as.Date:

    x <- "Jan-01"
as.Date(paste("01-", x, sep = ""), format = "%d-%b-%y")

    If you want a POSIXct class, consider using lubridate:

    library(lubridate)
x <- "Jan-01"
dmy(paste("01-", x , sep =""))

    If you want to just rely on base:

    x <- "Jan-01"
as.POSIXct(paste("01-", x, sep = ""), format = "%d-%b-%y")
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