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Hi Holger,
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<div class="">hm, I don’t think there is fail-proof heuristic that can distinguish between a simple ratio, an efficiency, a double ratio or something even more complicated. Best thing would be to get the re-entrant histogramming going, so you can just re-run
the finalize on the merged intermediate histograms. :-)</div>
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<div class="">Cheers,</div>
<div class="">Chris</div>
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<div class="">On 8 Mar 2018, at 15:36, Holger Schulz <<a href="mailto:holger.schulz@durham.ac.uk" class="">holger.schulz@durham.ac.uk</a>> wrote:</div>
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<div class="">Hi Chris,<br class="">
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in that regard --- when merging scatters in general, is there a<br class="">
mechanism to identify scatters that are "safe to merge"?<br class="">
I.e. to identify whether you can just calculate the mean of points?<br class="">
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Holger<br class="">
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On 08/03/18 08:57, Christian Gutschow wrote:<br class="">
<blockquote type="cite" class="">Hi,<br class="">
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just to say that I’ve just committed a bug fix for ATLAS_2012_I1083318 (7 TeV W+jets).<br class="">
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The Scatter2D containing the ratios of consecutive Njet bins was being filled suboptimally in the finalize and there was a potential for bins to be skipped in case of low statistics, which causes a problem when merging multiple yoda files.<br class="">
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Cheers,<br class="">
Chris<br class="">
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—<br class="">
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Dr. Christian Gütschow<br class="">
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Department of Physics and Astronomy<br class="">
University College London<br class="">
Gower Street<br class="">
London WC1E 6BT<br class="">
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—</div>
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Dr. Christian Gütschow</div>
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Department of Physics and Astronomy</div>
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University College London</div>
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Gower Street</div>
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