Hi, Do, for example double x[10]={1,2,3,4,5,6,7,8,9,10}; TGraph g(10,x,x); g.GetRMS(); Use ROOT version 3.05/07 or newer Rene Brun On Mon, 18 Aug 2003, Venkatesh Kaushik wrote: > Hi ROOTers! > I have a set of data. I just need to compute the standard deviation, the > good old way. Is there a function that accomplishes this task? > > Venkat. >
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