Difference: AtlasDataAnalysis (144 vs. 145)
Revision 1452012-03-20 - AlistairGemmell
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| NLOAccep : -0.0627014 0.727165 pdf : -0.0106981 0.99073 xsec : 0.00620052 0.923289 | ||||||||
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| < < | These values come from a Minuit fit, so should be taken with a pinch of salt. The 'Value' compares the results of the pseudoexperiment for all the various errors, and compares it to what you told it. E.g. if you said you had 1fb-1 for luminosity, but the pseudodata suggested a luminosity of 1.01, then Value would be 0.01 - you are 'out' by 1%. 'Error' says how much of your proposed error you have 'used' - if you say you have a 10% error on your luminosity, but the fit suggests at 1% error, then 'Error' would be 0.10 - you are using 10% of your 'allowed' error. | |||||||
| > > | These values come from a Minuit fit, so should be taken with a pinch of salt. The 'Value' compares the results of the pseudoexperiment for all the various errors, and compares it to what you told it. E.g. if you said you had 1fb-1 for luminosity, but the pseudodata suggested a luminosity of 1.01, then Value would be 0.01 - you are 'out' by 1%. 'Error' says how much of your proposed error you have 'used' - if you say you have a 10% error on your luminosity, but the fit suggests at 1% error, then 'Error' would be 0.10 - you are using 10% of your 'allowed' error. These are calculated against data, seeing how much the various backgrounds are allowed to vary according to the systematics before they are no longer compatible with data. | |||||||
| drivetestFlatFitAtlastth.rootUnscaledTemplates.root. | ||||||||
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