[R] Changing date format

[Frederic Ntirenganya]

Hi Pikal,

I am not talking about changing calender, I need this in my analysis.

On Thu, Oct 9, 2014 at 3:27 PM, PIKAL Petr <petr.pikal at precheza.cz> wrote:

> Hi
>
> > -----Original Message-----
> > From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-
> > project.org] On Behalf Of Frederic Ntirenganya
> > Sent: Thursday, October 09, 2014 1:32 PM
> > To: Jim Lemon
> > Cc: r-help at r-project.org
> > Subject: Re: [R] Changing date format
> >
> > This idea substract 1 for the all column which is not what i want.
> >
> > We know that the leap years have 366 days. I don't need to change
> > anything on them
> >
> > the non-leap years have 365 days. This is what i want to change to be
> > 366 days rather than 365 days.
>
> But this is a question of calendar reform not R. I must admit it would be
> a tough job as leap day is needed to stay in tune with solar year. Your
> suggestion would quickly result in out of sync with the Sun.
>
> Regards
> Petr
>
> >
> > On Thu, Oct 9, 2014 at 1:07 PM, Jim Lemon <jim at bitwrit.com.au> wrote:
> >
> > > On Thu, 9 Oct 2014 12:30:57 PM Frederic Ntirenganya wrote:
> > > > Hi Lemon,
> > > >
> > > > I am using the code you sent. It's correct for the leap years.
> > > > What I want to do is to have both leap  and no-leap years to have
> > > > 366
> > > days.
> > > > that means the 1st March is day 61 of each year.
> > > > This will help me to link it with Instat for climatic data
> > analysis.
> > > >
> > > Are you sure that the Start and End day of year numbers haven't
> > > already been corrected for leap years? If not, you can correct both
> > > for all years like this:
> > >
> > > Samaru$Start<-Samaru$Start - Samaru$Start > 60) Samaru$End<-
> > Samaru$End
> > > - Samaru$End > 60)
> > >
> > > as you don't want to shift the dates before Feb 29.
> > >
> > > Jim
> > >
> > >
> >
> >
> > --
> > Frederic Ntirenganya
> > Maseno University,
> > Kenya.
> > Mobile:(+254)718492836
> > Email: fredo at aims.ac.za
> > https://sites.google.com/a/aims.ac.za/fredo/
> >
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> >
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-- 
Frederic Ntirenganya
Maseno University,
Kenya.
Mobile:(+254)718492836
Email: fredo at aims.ac.za
https://sites.google.com/a/aims.ac.za/fredo/

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