eppstein@draught.caltech.edu writes: > Hello rooters, > I have a problem that I'm not sure how to approach and I hope you > can point me in the right direction. I have a NTuple and I want to set > parameters on certain NTuple variables (perform a data cut) and look > at another parameter(s) under that restriction. I would like to be able to > set multiple retrictions on the various NTuple variables. Does ROOT > provide a feature for this or do I need to do it the hard way? Hi Chris, please read the documentation available on http://root.cern.ch, especially the ROOT tutorials section. You'll find from there that you don't have to do what you need in a hard way, there is an easy one. Regards, Pasha.
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