exploringnovel visualizaons*of*electronic* health*record*data
TRANSCRIPT
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Meghana Ganapathiraju1 Mentors: David Borland, PhD2, Vivian West, PhD3, W.Ed Hammond, PhD3
1Green Hope High School, 2RENCI, 3Duke University
Exploring Novel Visualiza3ons of Electronic
Health Record Data
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• The use of interac3ve visual representa3ons of abstract data to amplify cogni3on (Ware, 2004)
• Makes interpreta3on of informa3on easier
• Must correctly represent informa3on or the visualiza3on can be misleading or confusing
• Visualiza3on can help detect key paIerns otherwise difficult to pick out
Informa3on Visualiza3on
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John Snow’s Cholera Map
hIp://flowingdata.com/2007/09/12/john-‐snows-‐famous-‐cholera-‐map/
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Informa3on Visualiza3on
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• Mul3variate data has more than 2 or 3 dimensions
• Lose informa3on if shown in tradi3onal graphs/plots
• New methods of visualiza3on are necessary
Visualizing Mul3variate Data
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• ScaIerplot Matrix
• Starplots
• Parallel sets/coordinates
Mul3variate visualiza3on techniques
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• Visualize EHR data • Systems are increasing in size and complexity • Researchers se the database in different ways
• Visual representa3ons may facilitate addi3onal insight
Purpose
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• Surveyed researchers
• Data stored as an excel file
• D3 JavaScript library used to produce the visualiza3on
Methods
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Parallel Sets Visualiza3on Live Demo Link
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Parallel Sets Visualiza3on
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Parallel Sets Visualiza3on
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Co-‐occurrence Matrix
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13
Chord Diagram
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• These visualiza3ons are just some of the possible methods of mul3variate visualiza3on
• Explore further op3ons
• Show visualiza3ons to a variety of users
Future Work
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Dr. David Borland, RENCI
Dr. Vivian West, Duke University
Hina Shah, UNC Chapel Hill
Dr. Ed Hammond, Duke University
Acknowledgements
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This work was supported by the US Army Medical Research and Material Command (USAMRMC) under Grant No. W81XWH-13-1-0061.
Acknowledgements
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Thank You!