What does curve->GetN() mean?

Roofit and RooStats
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RooCurve* curve;
......
curve->GetN();
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Hi @Tyao ,
You can check out the documentation for RooCurve and see that it derives from TGraph which defines a GetN function, corresponding to the number of points in the graph (or in this case in the plotted curve).
Cheers,
Vincenzo

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Thanks for your detailed reply

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