[R] timeDate with month designated by three letters.

Peter Alspach Peter.Alspach at plantandfood.co.nz
Tue Jul 19 23:14:27 CEST 2011


Tena koe Michael

The help file for strptime suggests you should be using %b (three letter month) rather than %m (decimal number month).

HTH ....

Peter Alspach

> -----Original Message-----
> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-
> project.org] On Behalf Of mdkzone at aol.com
> Sent: Wednesday, 20 July 2011 8:39 a.m.
> To: R-help at r-project.org
> Subject: [R] timeDate with month designated by three letters.
> 
> Dear R Experts:
> 
> 
>    I am trying to convert a date and time character field to timeDate
> where the month is presented as three letters, such as "JUN" for June,
> etc.
> 
> 
> This is an example of the full character field:
> 
> 
> "04-MAY-11 1428"
> What is the proper format syntax?
> 
> 
> I've tried
> 
> timeDate("04-MAY-11 1428",format="%d-%m-%y %H%M")
> but only get
> 
> GMT
> [1] [NA]
> If I change the month to a number as below, then it works, but that
> would require recoding of the data field.
> 
> 
> 
> timeDate("04-05-11 1428",format="%d-%m-%y %H%M")
> 
> gives
> 
> GMT
> [1] [2011-05-04 14:28:00]
> which is correct.  How do I get R to recognize the month as a 3 letter
> designator.
> 
> 
> Any recommendations you can provide would be greatly appreciated.
> 
> 
> Michael
> 
> 
> 	[[alternative HTML version deleted]]
> 
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