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Dynamical projections for the visualization of PDFSense data

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arxiv 1806.09742 v2 pith:7CGP3FVC submitted 2018-06-26 hep-ph hep-exphysics.data-an

Dianne Cook , Ursula Laa , German Valencia This is my paper · ORCID
classification hep-phhep-exphysics.data-an
keywords sensitivitydatapdfsensestructuretoolallowapproachassessment
verification ladder T0 review T1 audit T2 compute T3 formal
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A recent paper on visualizing the sensitivity of hadronic experiments to nucleon structure [1] introduces the tool PDFSense which defines measures to allow the user to judge the sensitivity of PDF fits to a given experiment. The sensitivity is characterized by high-dimensional data residuals that are visualized in a 3-d subspace of the 10 first principal components or using t-SNE [2]. We show how a tour, a dynamic visualisation of high dimensional data, can extend this tool beyond 3-d relationships. This approach enables resolving structure orthogonal to the 2-d viewing plane used so far, and hence finer tuned assessment of the sensitivity.

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  1. Fitting in or odd one out? Pulls vs residual responses in $b\to s \ell^+\ell^-$

    hep-ph 2019-08 accept novelty 4.0 of 10

    The updated LHCb R_K measurement shifts the best-fit new physics in b→sμμ transitions toward smaller C10mu and reduces its uncertainty.

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