6 июн. 2018 г. · Hello. I'm trying to find the area under a TH1D histogram. How can I do it as simply as possible? Here is some detail: TH1D *h = new ... Histogram integration - ROOT Forum Integral of a specific region on the x and y-axis in histogram Integral with a defined bin range - ROOT Forum Другие результаты с сайта root-forum.cern.ch

ROOT provides a rich set of functionality to work with histograms. They can be used for continuos data in one or multi dimensions, they can represent integer ... Histogram classes · Bin numbering · Filling a histogram

TH1 is the base class of all histogram classes in ROOT. It provides the common interface for operations such as binning, filling, drawing, which will be ...

ROOT supports the following histogram types: 1-D histograms, 2-D histograms, 3-D histograms. All histogram classes are derived from the base class TH1. Public Member Functions · Protected Attributes

ROOT supports the following histogram types: 1-D histograms, 2-D histograms, 3-D histograms. All histogram classes are derived from the base class TH1.

ROOT supports the following histogram types: 1-D histograms, 2-D histograms, 3-D histograms. All histogram classes are derived from the base class TH1. Public Member Functions · Protected Member Functions

Return integral of bin contents in range [binx1,binx2],[biny1,biny2],[binz1,binz2] for a 3-D histogram By default the integral is computed as the sum of bin ...

One way to do this is to scale by the total number of events in data vs the number of events in MC. This is done using the integral of the histograms (which is ...

Return integral of bin contents in range [firstxbin,lastxbin],[firstybin,lastybin] for a 2-D histogram. Calculates also the integral error using error ...

ROOT supports histograms up to three dimensions. Separate concrete classes are provided for one-dimensional, two-dimensional and three-dimensional classes.