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error bar color scheme

 
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bnicole



Joined: 10 Jul 2017
Posts: 8

PostPosted: Fri Oct 13, 2017 11:13 am    Post subject: error bar color scheme Reply with quote

Hi David,

Ive made a point plot for 4 series of data using a marker scheme and a colour scheme defined by global variables, rather than making a new point command for each of the 4 groups of data and assigning to each a its symbol and colour. Is it possible to add error bars that also follow the colour scheme of the symbols so that all data points with a blue symbol have blue error bars and all points with a red symbol have a red error bar? In the 'error line' drop-down menu, one can only select an individual colour and not a colour scheme...

Thanks a lot for your help.
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David
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Joined: 25 Nov 2006
Posts: 1954
Location: Chapel Hill, NC

PostPosted: Mon Oct 16, 2017 9:28 am    Post subject: Reply with quote

I need to think about how to do this cleanly. You are talking about using the same line color as the point has, right?

David
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bnicole



Joined: 10 Jul 2017
Posts: 8

PostPosted: Mon Oct 16, 2017 9:32 am    Post subject: Reply with quote

Yes, that is correct. Maybe it is possible to just have the option to make the error bar color scheme the same as the data point color scheme?

Best,
Brandi
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David
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Joined: 25 Nov 2006
Posts: 1954
Location: Chapel Hill, NC

PostPosted: Mon Oct 16, 2017 9:44 am    Post subject: Reply with quote

As a workaround for now, you can create error bars using the Connect command. For that you need to create the ymin/ymax columns using an expression with something like ymin = y-error and ymax = y+error. For the Connect command you can specify a color scheme to draw the lines.

David
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bnicole



Joined: 10 Jul 2017
Posts: 8

PostPosted: Mon Oct 16, 2017 9:50 am    Post subject: Reply with quote

Thanks!
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bnicole



Joined: 10 Jul 2017
Posts: 8

PostPosted: Thu Jan 11, 2018 11:41 am    Post subject: error bar colour scheme? Reply with quote

Hi David,

Have you had any progress with this? It would be super useful for me and a few colleagues who have started using DataGraph.

Thanks!
Brandi
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