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B llabs

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  • Let pi,j be the rate at which word i occurs in document j, and pj be the average across documents( sum Pij/ndocs)The size of each word is mapped to its maximum deviation ( maxi(pi,j- pj ) ), and its angular position is determined by the document where that maximum occurs.

B llabs B llabs Presentation Transcript

  • Tools & techniquesfor working withdatasets Tony Hirst Dept of Communication and Systems The Open University
  • Quick wins andhalf-hour hacks
  • Building atoolbox…
  • http://mashe.hawksey.info/2012/11/mining-and-openrefineing-jiscmail-a-look-at-oer-discuss//via Martin Hawksey/@mhawksey
  • “You can quickly create an online 3-Dvisualisation (with Google Earth) ofthese rare documents”
  • R-Studio
  • All at once orone at a time?
  • Macroscopes
  • @mediaczar (Accession Plot)
  • Google Maps, 1884 edition?
  • Overview first, zoom and filter, then details-on-demandFrom: The Eyes Have It:A Task by Data Type Taxonomy for Information Visualizations
  • • X and Y (at a push, Z)• Node size and colour• (Node label size and colour)• Edge thickness and colour• (Edge label and colour)• Node proximity/grouping• Clustering• Filtering and differential application of the above
  • Group by  Hierarchy inside(implied) containment
  • Treemap in R
  • Similarities anddifferences
  • Single page app + linkage
  • Templated data views
  • blog.ouseful.info @psychemedia