[ROOT] How to take projection of a 2D scatter plot

From: kirti@fnal.gov
Date: Wed Nov 19 2003 - 06:51:15 MET 

Hi rooters,

I could not find any example of taking a projection from a 2D scatter
plot.
I am making a 2d scatter plot and I would like to take its projection on
one of the axis.
I am doing following to make 2d scatter plot:

TH2F *jyvx;
  jyvx= new TH2F("jyvx","y vs. X",64,0,6.4,80,-4,4);
jyvx->Fill(x,y);

Now I would like to know how to take projection on X or Y axis.
Thanks,
kirti
Thanks

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