Data & GIS Services, Duke University

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Data & GIS Services, Duke University

  1. 1. Making the most of your data: Duke Data & GIS Services Angela Zoss Data Visualization Coordinator November 20, 2013 http://library.duke.edu/data
  2. 2. Data & GIS Services •  Perkins 226 computing cluster •  Walk-in consultations •  Data collections •  Workshops •  Online instructional materials
  3. 3. Brandaleone Family Center for Data and GIS Services •  Perkins 226 •  Open whenever the library is open •  12 high-powered Dell workstations •  3 Bloomberg financial workstations •  Various data analysis, GIS, and visualization software packages available http://library.duke.edu/data/about/lab.html
  4. 4. Walk-in Consulting …or by appointment: askdata@duke.edu http://library.duke.edu/data/about/schedule.html
  5. 5. Workshops •  Typically toward the beginning of the semester •  1-2 hours, often hands-on •  Various topics, including Data Processing/Statistical Software Packages, GIS/Mapping, Visualization http://library.duke.edu/data/news For announcements, sign up for our listserv: https://lists.duke.edu/sympa/subscribe/dgs-announce Or watch our blog and twitter accounts: http://blogs.library.duke.edu/data/, @duke_data, @duke_vis
  6. 6. SUPPORT AREAS
  7. 7. Support Area: Finding Data •  Browse our curated collections list at: http://library.duke.edu/data/collections/ (includes data sets specially licensed for Duke) •  Email askdata@duke.edu and we’ll do some research for you! •  Guides for special types of data –  Census http://guides.library.duke.edu/content.php?pid=32369 –  Housing http://library.duke.edu/data/courses/housing_foreclosures.html –  Comtrade http://guides.library.duke.edu/comtrade
  8. 8. Support Area: Storing Data •  Newest support area •  Storage & Compute Environments Comparison: http://goo.gl/fGflCB
  9. 9. Support Area: Managing Data •  Data Management Guide: http://library.duke.edu/data/guides/data-management/index.html •  DMP Tool @ Duke: http://blogs.library.duke.edu/data/2013/07/12/data-managementplanning-advice-dmptool-duke/
  10. 10. Support Area: Analyzing Data •  Available data analysis software packages: –  Open Refine (also offer a workshop) –  R (also offer a workshop) –  Stata (also offer a workshop) –  SAS –  SPSS •  Additional workshop on text analysis techniques •  Walk-in consulting for real-time support http://library.duke.edu/data/guides/
  11. 11. Support Area: Visualizing Data http://guides.library.duke.edu/datavis/
  12. 12. Support Area: Visualizing Data •  GIS (Geographic Information Systems) support –  Workshops on ArcGIS and other online mapping tools –  High powered computers with GIS software –  Expert help from Data & GIS Staff •  Visualization support, more broadly –  Workshops on Tableau Public and best practices for charts, graphs, posters, etc.
  13. 13. DATA TIPS See especially: https://github.com/veltman/learninglunches/tree/master/datahygiene
  14. 14. Data Tips: Make a Copy •  Never process the only copy of your data •  Keep backups – onsite and offsite
  15. 15. Data Tips: Take Note •  Keep track of the processing steps you’ve taken •  If possible, use tools that have commands or scripts •  Document the reasons behind your decisions
  16. 16. Data Tips: Check Your Sources •  Garbage in, garbage out •  Level of analysis
  17. 17. Data Tips: Easy Come, Easy Go •  Be wary of Excel –  Volatile (easy to accidentally introduce errors) –  Deceptively opaque –  Limited validation capabilities –  Better for simple data structures •  Tips –  Save often, multiple copies –  Document processing steps (manually if necessary) –  Introduction some validation checks (formulas, visualizations) –  Switch to database?
  18. 18. Visualization Tips In a nutshell: Simplify (but not the axis) •  Reduce color •  Focus on major trends •  Consistent style/format/reference system •  Do extra calculations so the users won’t have to http://guides.library.duke.edu/topten
  19. 19. SHAMELESS PLUG
  20. 20. 2014 Student Data Visualization Contest http://bit.ly/viscontest14 | http://bit.ly/visgallery •  Open to all Duke students •  Submit any type of visualization •  Deadline January 19 •  2014 Awards: –  Amazon gift cards (up to $250) –  public exhibits –  posters
  21. 21. QUESTIONS? SUGGESTIONS? angela.zoss@duke.edu http://twitter.com/duke_vis

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