>>>>> Ebert,Timothy Aaron
>>>>> on Thu, 7 Dec 2023 16:29:09 +0000 writes:
> Look at the lubridate package in R. Regards, Tim
Absolutely *un*needed here !! - as others mention in this
thread.
Very simple with base R:
> strptime("2020-09-17_00:00:00", format = "%Y-%m-%d_%H:%M:%S")
[1] "2020-09-17 CEST"
>
(in my time zone).
> -----Original Message----- From: R-help
> <r-help-boun...@r-project.org> On Behalf Of Sorkin, John
> Sent: Thursday, December 7, 2023 11:22 AM To:
> r-help@r-project.org (r-help@r-project.org)
> <r-help@r-project.org> Subject: [R] Convert character date
> time to R date-time variable.
> [External Email]
> Colleagues,
> I have a matrix of character data that represents date and
> time. The format of each element of the matrix is
> "2020-09-17_00:00:00" How can I convert the elements into
> a valid R date-time constant?
> Thank you, John
> John David Sorkin M.D., Ph.D. Professor of Medicine,
> University of Maryland School of Medicine;
> Associate Director for Biostatistics and Informatics,
> Baltimore VA Medical Center Geriatrics Research,
> Education, and Clinical Center;
> PI Biostatistics and Informatics Core, University of
> Maryland School of Medicine Claude D. Pepper Older
> Americans Independence Center;
> Senior Statistician University of Maryland Center for
> Vascular Research;
> Division of Gerontology and Paliative Care, 10 North
> Greene Street GRECC (BT/18/GR) Baltimore, MD 21201-1524
> Cell phone 443-418-5382
> ______________________________________________
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