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Title: Non-parametric comparison of histogrammed two-dimensional data distributions using the Energy Test
Authors: Reid, ID
Lopes, RHC
Hobson, PR
Keywords: Two-dimensional histograms of data;Energy Test;Data distributions
Issue Date: 2012
Citation: Journal of Physics: Conference Series, 368: 012046, (2012)
Abstract: When monitoring complex experiments, comparison is often made between regularly acquired histograms of data and reference histograms which represent the ideal state of the equipment. With the larger HEP experiments now ramping up, there is a need for automation of this task since the volume of comparisons could overwhelm human operators. However, the two-dimensional histogram comparison tools available in ROOT have been noted in the past to exhibit shortcomings. We discuss a newer comparison test for two-dimensional histograms, based on the Energy Test of Aslan and Zech, which provides more conclusive discrimination between histograms of data coming from different distributions than methods provided in a recent ROOT release.
ISSN: 1742-6588
Appears in Collections:Dept of Electronic and Computer Engineering Research Papers

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