Abstract Details
Activity Number:
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315
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Type:
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Invited
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Date/Time:
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Tuesday, August 5, 2014 : 10:30 AM to 12:20 PM
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Sponsor:
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Section on Statistical Computing
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Abstract #310632
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View Presentation
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Title:
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Data Summaries and Noise Reduction in High-Volume Particle Physics Data
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Author(s):
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Karen Kafadar*+
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Companies:
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Indiana University
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Keywords:
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letter value plots ;
density estimate ;
signal/noise ratio ;
B-meson ;
target events
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Abstract:
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The analysis of massive, high-volume data sets stresses usual statistical methods and requires new ways of drawing inferences beyond the conventional paradigm (optimal estimation of parameters from a hypothesized distribution or mixture), since the entire data set often cannot be read into software. Data from high-energy particle physics experiments are nearly continuous streams of observations, most of which relate to known events, so the challenge is to identify the very small fraction of events (< 0.01%) that relate to diverse interesting phenomena. We discuss principles of analyzing massive data, present useful displays and analyses of data from high-energy physics experiments with techniques designed to reduce the distraction from noise, and note open issues in analyzing high-volume data in general. (Data from R.L. Jacobsen, UC-Berkeley)
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Authors who are presenting talks have a * after their name.
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