
Thank you j, its perfect!!
Wapita

> Date: Fri, 24 Jul 2009 06:41:16 -0400
> Subject: Re: [R] adjusting grid on Xaxis ticks
> From: jholtman@gmail.com
> To: wapita@hotmail.com
> CC: r-help-bounces@r-project.org; r-help@r-project.org
> 
> is this what you want:
> 
> plot(0, xlim=as.POSIXct(c('2009-01-01', '2009-12-31')), xaxt='n')
> x <- seq(as.POSIXct('2009-01-01'), as.POSIXct('2009-12-13'), by='1 month')
> axis(1, at=x, labels=format(x, "%b"))
> abline(v=x, lty=2)
> 
> 
> On Thu, Jul 23, 2009 at 11:37 PM, wapita wapita<wapita@hotmail.com> wrote:
> >
> > Hello,
> > I have been trying to plot correctly a graph for 2 month now, with no success.I want to put a grid, adjusted on the X axis tickers.
> > Here is the way I build my X-Axis and my grid:
> >
> >
> > grid(11, NULL, col="grey40")
> > axis(2)
> >
> > # build the tickers on the beginning of each monthticks.at <- seq(ISOdatetime(lastYear, 01, 01, hour=0, min=0, sec=0, tz="GMT"), ISOdatetime(lastYear, 12, 31, hour=0, min=0, sec=0, tz="GMT"), by = "months")
> > ticks.lab <- format(ticks.at, format = "%b")
> > Axis(ISOdatetime(lastYear, substr(index(xts1),6,7), substr(index(xts1),9,10), hour=0, min=0, sec=0, tz="GMT"), at = ticks.at, side = 1, labels = ticks.lab, las = 2)
> > box()
> >
> >
> > If anyone can help me, I would be very grateful.
> > Xavier
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> >
> 
> 
> 
> -- 
> Jim Holtman
> Cincinnati, OH
> +1 513 646 9390
> 
> What is the problem that you are trying to solve?

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