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Re: plot stddev bars for each data point [message #61818 is a reply to message #61724]

Wed, 30 July 2008 08:53

Allan Whiteford
Messages: 117
Registered: June 2006

Senior Member

pgrigis@gmail.com wrote:
> On the other hand, if you like using direct graphics,
> there's nothing like doing the job yourself...
>
> x=[1,2,3,5,6,7]
> y=[2,3,5,4,1,2]
> yerr=[0.4,0.8,1.2,1.0,0.3,0.4]
>
> plot,x,y,psym=6,yrange=[0,8]
> FOR i=0,n_elements(x)-1 DO oplot,x[i]*[1,1],y[i]+yerr[i]*[-1,1]
>

IDL has a built-in routine to do this:

x=[1,2,3,5,6,7]
y=[2,3,5,4,1,2]
yerr=[0.4,0.8,1.2,1.0,0.3,0.4]

ploterr,x,y,yerr

It will never look as nice as doing it yourself but slightly easier to
type if you just want a quick look.

Thanks,

Allan

> Ciao,
> Paolo
>
> julia.waltersp...@gmail.com wrote:
>
>>> If you search "error bar plots" in IDL 6.4 it gives you a nice example
>>> using
>>> iPlot. �Just plug your stddev(dataset) where it has "err".
>>
>> sweet, I saw the error bar plot but was convinced there was something
>> written just for stddev.
>> thanks a lot

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[Message index]

		Re: plot stddev bars for each data point By: pgrigis on Wed, 30 July 2008 06:37
		Re: plot stddev bars for each data point By: julia.walterspiel on Wed, 30 July 2008 06:32
		Re: plot stddev bars for each data point By: Juggernaut on Wed, 30 July 2008 05:26
		Re: plot stddev bars for each data point By: Allan Whiteford on Wed, 30 July 2008 08:53
		Re: plot stddev bars for each data point By: Paul Van Delst[1] on Wed, 30 July 2008 08:48

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