Change marker style for some point or other solutions

ROOT
1

Dear all,

I need to change marker style for some point in a GraphError.
To do this I thought to make two Tgraph errors and plot them on the same canvas.
I need also to fit all the data together and this is my problem.
If you know a way to change only marker style for some point then I can do a normal fit.
I thought to make two tgrapherrorf only because I was not able to change style to some selected point.
Thank you for your help.

Svante

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2

Make two graphs, group them in a multigraph, and fit the multigraph.

3

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