Sometimes I get really tired of Preparing data for making an ErrorListPlot using Thread and friends. Is there a simpler way to plot an ErrorListPlot with only y error bars?
Nothing is mentioned in the documentation.
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$\begingroup$ Perhaps I should change this into a self answered Q/A? What's the simplest way to plot an ErrorListPlot?:) $\endgroup$– AjasjaCommented Apr 12, 2013 at 13:56
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$\begingroup$ I agree with the Q/A idea. $\endgroup$– Mr.WizardCommented Apr 12, 2013 at 14:12
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$\begingroup$ @Mr.Wizard done $\endgroup$– AjasjaCommented Apr 12, 2013 at 14:43
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1 Answer
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Indeed it seems there is a simpler way:
Instead of
ErrorListPlot[{{{x1, y1}, ErrorBar[err1]}, {{x2, y2}, ErrorBar[err2]}, ...}]
Just do
ErrorListPlot[{{x1, y1, dy1}, {x2, y2, dy2} ...}, ...}]
Here is an example:
Needs["ErrorBarPlots`"]
ErrorListPlot[{{1, 2, 0.5}, {3, 4, 0.1}, {5, 6, 0}},
PlotRange -> All, Frame -> True, Axes -> False]
Why this is not documented is beyond me.
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2$\begingroup$ If you type
??ErrorListPlotyou get the transformation being used: {{ErrorBarPlotsPrivatex_?NumericQ, ErrorBarPlotsPrivatey_?NumericQ, ErrorBarPlotsPrivatee_? NumericQ} :> (ErrorBarPlotsPrivateerror[ N[{ErrorBarPlotsPrivatex, ErrorBarPlotsPrivatey}]] = ErrorBar[{0, 0}, {-ErrorBarPlotsPrivatee, ErrorBarPlotsPrivatee}];` $\endgroup$ Commented Apr 12, 2013 at 17:36