RE: [R] how to add error bar to the data in R?

2004-09-07 Thread Warnes, Gregory R 

Alternatively, use the plotCI() function from the gregmisc package.

-G

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Subject: Re: [R] how to add error bar to the data in R?


Hello,

Use the function xYplot from hmisc package
cheers,
Marta

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Re: [R] how to add error bar to the data in R?

2004-09-07 Thread Marta Rufino 

Hello,

Use the function xYplot from hmisc package
cheers,
Marta

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Re: [R] how to add error bar to the data in R?

2004-09-06 Thread Deepayan Sarkar 
On Monday 06 September 2004 16:54, [EMAIL PROTECTED] wrote:
> Dear all,
>
> Does anyone knwo how to add error bar to the data point in a simple
> xyplot? Right now, I have a .dat file including both the data points
> and their standard deviation and read it in R. I tried function
> arrows(). But it didn't gave me any arrows.

If you are talking about xyplot in the lattice package, you need to use 
larrows instead of arrows. e.g. your call might look like

xyplot(y ~ x, data, sd = data$sd,
   panel = function(x, y, subscripts, sd, ...) {
   larrows(x, y - 2 * sd[subscripts],
   x, y + 2 * sd[subscripts],
   angle = 90, code = 3, ...)
   panel.xyplot(x, y, ...)
   })

Alternatively, you could use xYplot in the Hmisc package.

Deepayan

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Re: [R] how to add error bar to the data in R?

2004-09-06 Thread Gabor Grothendieck 
  duke.edu> writes:

: Does anyone knwo how to add error bar to the data point in a simple
: xyplot? Right now, I have a .dat file including both the data points and
: their standard deviation and read it in R. I tried function arrows(). But
: it didn't gave me any arrows.

See errbar in package Hmisc and plotCI in package gregmisc.

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