Query about use of format in strptime

Enrico Schumann · 2016-04-11T07:55:41Z

On Mon, 11 Apr 2016, Stefano Sofia writes: > Dear R-list users, > I need to use strptime because I have to deal with date with hours and minutes. > I read the manual for strptime and I also looked at many examples, but when I try to apply it to my code, I always encounter some problems. > I try to change the default format, with no success. Why? How can I change the format? > > 1. > init_day strptime(init_day, format="%Y-%m

Enrico Schumann

Mon, Apr 11, 2016 12:55 AM

On Mon, 11 Apr 2016, Stefano Sofia <stefano.sofia at regione.marche.it> writes:

strptime creates a POSIXlt object, and the specified format
tells it how to interpret the string you pass in. (Your
factor is converted to character by strptime.)

If you want to have the POSIXlt object printed in a
particular way, use ?strftime or ?format.

  > format(strptime(init_day, format="%Y-%m-%d-%H-%M"), "%Y-%m-%d-%H-%M")
  ## [1] "2015-02-24-00-00"

Enrico Schumann
Lucerne, Switzerland
http://enricoschumann.net

Thread (6 messages)

Stefano Sofia Query about use of format in strptime Apr 11 Jim Lemon Query about use of format in strptime Apr 11 Enrico Schumann Query about use of format in strptime Apr 11 Stefano Sofia Query about use of format in strptime Apr 11 David Winsemius Query about use of format in strptime Apr 11 MacQueen, Don Query about use of format in strptime Apr 11