[R] date

[R. Michael Weylandt <michael.weylandt@gmail.com>]

Three steps:

1) as.character to get character representation
2) as.POSIXct to convert to time
3) julian() or strptime() to get Julian date. 

Read the docs (esp on part 2 and 3) to get the format strings just right. 

Cheers,
Michael

On Aug 24, 2012, at 10:30 PM, Veerappa Chetty <chettyvk at gmail.com> wrote:

> Hi,
> I have dates as follows:
> 1/4/2006 0:00:00 AM
> It is a factor  at present.
> How do I find out the day of the week from this? How do I convert to Julian
> date format?
> Thanks.
> Chetty
> 
> -- 
> Professor of Family Medicine
> Boston University
> Tel: 617-414-6221, Fax:617-414-3345
> emails: chettyvk at gmail.com,vchetty at bu.edu
> 
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