confidence interval ellipses

[jake_bParticipant]

hello,

 

I would like to plot a scatter plot with several different groups, and for each group, plot a confidence interval (e.g. SD) on top of the points as a shaded, transparent ellipse. What is the best way to do this please?

thank you

[dgteamModerator]

Here is a help article that may help in terms of drawing the error bars.

How to add error bars

In the Points command, you can have the point style vary with a marker or color scheme.  In other words, you can have one points command where the formatting for the point depends on the value in a data column.

Does that help? Or are you trying to have the color for the ellipse vary for each group?

 

[jake_bParticipant]

thank you – I will have a look – I did ideally want to vary the colour for each ellipse, though, to match the data points.

[jake_bParticipant]

Just following up, because I never did get it done at the time … I can create a graph with the points defined by both colour, and fill, in order to represent two different factors at once:

Ideally, I would like to be able to colour and fill the ellipses using the same pattern: i.e.

factor 1: ellipse line blue or black

factor 2: ellipse filled / not filled. The fill to be less intense than the blue/black colours used for the points and for the ellipse lines.

Would I be better off doing this by creating shapes and placing them on the graph instead?

thanks v much

[Author]

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