Re: [R] adding error bars to lattice plots

From: Mario Aigner-Torres <mario.aignertorres_at_gmail.com>
Date: Mon 24 Oct 2005 - 11:21:58 EST

On 10/21/05, Mario Aigner-Torres <mario.aignertorres@gmail.com> wrote:
>
> Hi Deepayan,
>
> my error bars are "delta"; they should be transformed as " Di - Disigma",
> "Di+Disigma", being let's say "lower" and "upper, respectively.
>
> To that both my y (Di) as the error bars should be in log10.
>
> One potential problem is that I plot my y (Di) against x (element), which
> are multiple.
> The xyplot looks ok, but I get "panel" errors for trying out with the
> error bars via panel.arrows.
>
> I appreciate your kind help on this!
>
> Regards,
>
> Mario
>
> On 10/21/05, Deepayan Sarkar <deepayan.sarkar@gmail.com> wrote:
> >
> > On 10/20/05, Mario Aigner-Torres <mario.aignertorres@gmail.com> wrote:
> > > Thanks Bert!
> > >
> > > I have right now a dataset that looks like this:
> > >
> > > > tail(partition, 3)
> > > element run logfO2 TC buffer xAn sdXan Di Disigma
> > > 416 Al 36 -0.68 1180 AIR 0.734 0.007 2.10 0.02
> > > 417 Ca 36 -0.68 1180 AIR 0.734 0.007 1.29 0.02
> > > 418 Na 36 -0.68 1180 AIR 0.734 0.007 1.16 0.06
> > >
> > > Basicaly I would like to insert error bars into a xyplot like this
> >
> > How are your error bars defined?
> >
> > > > xyplot(log10(Di) ~ TC | element.ord, groups=buffer.ord, #pch=16,
> > > + #subset=no1140,
> > > + data=partition,
> > > + auto.key=list(columns=3),
> > > + )
> > >
> > > How could llines, lsegments or perhaps panel.arrows look like?
> > >
> > > I appreciate any help on this.
> > >
> > > Best regards,
> > >
> > > Mario
> > >
> > >
> > > On 10/19/05, Berton Gunter <gunter.berton@gene.com> wrote:
> > > >
> > > > ?llines, lsegments and the like can be used in the panel functions
> > to
> > > draw
> > > > any sort of error bar that you can compute from the x,y,... data of
> > the
> > > > panel.
> > > >
> > > > -- Bert Gunter
> > > > Genentech Non-Clinical Statistics
> > > > South San Francisco, CA
> > > >
> > > > "The business of the statistician is to catalyze the scientific
> > learning
> > > > process." - George E. P. Box
> > > >
> > > >
> > > >
> > > > > -----Original Message-----
> > > > > From: r-help-bounces@stat.math.ethz.ch
> > > > > [mailto:r-help-bounces@stat.math.ethz.ch ] On Behalf Of Mario
> > > > > Aigner-Torres
> > > > > Sent: Wednesday, October 19, 2005 2:34 PM
> > > > > To: r-help@stat.math.ethz.ch
> > > > > Subject: [R] adding error bars to lattice plots
> > > > >
> > > > > Dear R-Users,
> > > > >
> > > > > how to include error bars within lattice?
> > > > > How should the panel = function(x,y,...){
> > > > > looks like?
> > > > > Does panel.arrows works here as well?
> > > > >
> > > > > I appreciate any help on this.
> > > > >
> > > > > Regards,
> > > > >
> > > > > Mario AT
> > > > >
> > > > > [[alternative HTML version deleted]]
> > > > >
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> > > > >
> > > >
> > > >
> > > >
> > >
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> > >
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> >
>
>

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https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Mon Oct 24 11:27:31 2005

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