[R] Convert character date time to R date-time variable.

Ebert,Timothy Aaron tebert @end|ng |rom u||@edu
Thu Dec 7 17:29:09 CET 2023

Look at the lubridate package in R.

-----Original Message-----
From: R-help <r-help-bounces using r-project.org> On Behalf Of Sorkin, John
Sent: Thursday, December 7, 2023 11:22 AM
To: r-help using r-project.org (r-help using r-project.org) <r-help using r-project.org>
Subject: [R] Convert character date time to R date-time variable.

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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 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
Baltimore, MD 21201-1524
Cell phone 443-418-5382

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