Re: Data Cuts

Pasha Murat (murat@cdfsga.fnal.gov)
Sat, 9 May 1998 13:19:48 -0500 (CDT)

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.