Details
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Type:
Bug
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Status: Closed (View Workflow)
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Priority:
High
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Resolution: Fixed
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Affects Version/s: None
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Component/s: Math Libraries
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Labels:None
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Environment:
All
Description
The p value obtained when using TH1::KolmogorovTest with the option "X", are biased to lower values.
The reason is that when generating pseudo-experiments only one of the histogram is randomized.
This affects the p-values that are displayed in the TMVAGui
See https://root-forum.cern.ch/t/how-does-tmva-calculate-the-kolmogorov-probability/27787/15