Nonprofits & DataProcess and Tools: How to Visualize Your Data              340 N 12th St, Suite 402              Philadel...
About Us    Tamara Manik-Perlman    Project Manager    tmanik-perlman@azavea.com    215.701.7687   Jeremy Heffner   Produc...
About Azavea• Founded in 2000• 32 people• Based in Philadelphia   – Boston office   – Minneapolis office• Geospatial + web...
Clients & Industries•   Arts & Culture•   Elections & Politics•   Public Health                             Carnegie•   La...
B Corporation•   10% Research Program•   Pro Bono Program•   Time-to-Give-Back Program•   Employee-focused Culture•   Proj...
How to Visualize Your Data
Agenda• Cleaning & Preparing Data• Assembling Data & Building Context• Exploring, Presenting & Sharing Data Visualizations...
Cleaning & Preparing Data
Data Cleaning: Your Questions• At what point in the data maintenance process do you  find yourself cleaning data?• Are the...
Cleaning & Preparing Data• Making sense of data starts at the point of collection   – Define what you want to measure / tr...
Cleaning & Preparing Data• Common data quality issues   – Combined fields      • Address: “340 N 12th St, Suite 402 , Phil...
Cleaning & Preparing Data    Not a reasonable option
Cleaning & Preparing Data• Tools to clean tabular data   – Excel (or open source equivalent)      • Pros:          – Broad...
Cleaning & Preparing Data• Tools to clean tabular data   – DataWrangler      • http://vis.stanford.edu/wrangler/      • Pr...
Cleaning & Preparing Data• Tools to clean tabular data   – Google Refine      • http://code.google.com/p/google-refine/   ...
Assembling Data & Building Context
Context: Your Questions• What challenges have you faced putting your data in  context?• Are you struggling to identify wha...
Your Data in Context• Your data is essential!• But it is more meaningful in context…   – Ratios & rates       • Service le...
Making Sense of the Census• American FactFinder• http://factfinder2.census.gov   – Decennial Census      • Every 10 years ...
FactFinder Frustrations
Helpers: Social Explorer• http://www.socialexplorer.com/• Data Dictionary   –   Survey   –   Dataset   –   Table   –   Var...
Helpers: Social Explorer• Background  – Key Terms  – Collection Methodology  – Uses & applications
Helpers: ACS Alchemist•   https://github.com/azavea/acs-alchemist •   Retrieval of block group-level data•   Custom variab...
Helpers: ACS AlchemistAs easy as 1-2-32.Create a document with your selected variables
Helpers: ACS AlchemistAs easy as 1-2-32.Create a document with your selected variables3.Pick your geographies
Helpers: ACS AlchemistAs easy as 1-2-32.Create a document with your selected variables3.Pick your geographies and geolevel...
Other Sources• Public data   – Open Data Portals      • Federal, state & local data   – Political Data      • Voter data  ...
Exploring, Presenting & Sharing Data Visualizations
Data Visualization: Your Questions• Do you currently share data with your constituents?• Where do you use data visualizati...
Exploring Data• Visualization tools   – Tableau       • http://www.tableausoftware.com/       • Pros:           – Flexible...
Exploring Data• Visualization tools   – ArcGIS Explorer online       • http://www.arcgis.com/explorer/       • Pros:      ...
Exploring Data• Visualization tools   – GeoCommons (GeoIQ)       • http://geocommons.com/       • Pros:           – Intuit...
Exploring Data• Desktop GIS: Proprietary   – Esri ArcGIS      • Pros:          – Industry standard          – Many tools  ...
Exploring Data• Desktop GIS: Open Source– Quantum GIS (QGIS)– GRASS– uDig         • Pros:             – Free             –...
Q&A
Contact Us     Tamara Manik-Perlman     Project Manager     tmanik-perlman@azavea.com     215.701.7687    Jeremy Heffner  ...
NTEN Webinar - Data Cleaning and Visualization Tools for Nonprofits
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NTEN Webinar - Data Cleaning and Visualization Tools for Nonprofits

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Slides from a webinar we conducted for NTEN that covers tools that nonprofits can use to clean and prepare their datasets and then visualize them via charts, maps, and graphs.

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NTEN Webinar - Data Cleaning and Visualization Tools for Nonprofits

  1. 1. Nonprofits & DataProcess and Tools: How to Visualize Your Data 340 N 12th St, Suite 402 Philadelphia, PA 19107 215.925.2600 info@azavea.com www.azavea.com
  2. 2. About Us Tamara Manik-Perlman Project Manager tmanik-perlman@azavea.com 215.701.7687 Jeremy Heffner Product Manager jheffner@azavea.com 215.701.7712
  3. 3. About Azavea• Founded in 2000• 32 people• Based in Philadelphia – Boston office – Minneapolis office• Geospatial + web + mobile – Software development – Spatial analysis services
  4. 4. Clients & Industries• Arts & Culture• Elections & Politics• Public Health Carnegie• Land Conservation Mellon• Public Safety• Human Services• Municipal Services• Economic Development
  5. 5. B Corporation• 10% Research Program• Pro Bono Program• Time-to-Give-Back Program• Employee-focused Culture• Projects with Social Value
  6. 6. How to Visualize Your Data
  7. 7. Agenda• Cleaning & Preparing Data• Assembling Data & Building Context• Exploring, Presenting & Sharing Data Visualizations• Q&A
  8. 8. Cleaning & Preparing Data
  9. 9. Data Cleaning: Your Questions• At what point in the data maintenance process do you find yourself cleaning data?• Are there ways that you would like to improve the workflow?
  10. 10. Cleaning & Preparing Data• Making sense of data starts at the point of collection – Define what you want to measure / track • Clearly define schema and fields – Have a shared meaning for values – Data validation on entry – Collect your data – Examine results • Are there common mistakes you could prevent? • Are there different interpretations of fields? – Close the feedback loop & iterate
  11. 11. Cleaning & Preparing Data• Common data quality issues – Combined fields • Address: “340 N 12th St, Suite 402 , Philadelphia, PA 19107” – Invalid entries • ZIP code: 1234 (length check, is number) • Age: 204 (reasonable range check, is number) – Format variations • State: PA vs. Pennsylvania (drop down or scrubbing rules) – Duplicates • CRM: John Smith with old and new addresses
  12. 12. Cleaning & Preparing Data Not a reasonable option
  13. 13. Cleaning & Preparing Data• Tools to clean tabular data – Excel (or open source equivalent) • Pros: – Broad features – Widely utilized / common skill – Formulas / sorting / flexible • Cons: – Doesn’t understand record concept – Mass changes can be tedious
  14. 14. Cleaning & Preparing Data• Tools to clean tabular data – DataWrangler • http://vis.stanford.edu/wrangler/ • Pros: – Focused on transforming data into relational format – Live previews • Cons: – Alpha quality version – Data size limits / online tool – Can be difficult to figure out what set of transforms are needed
  15. 15. Cleaning & Preparing Data• Tools to clean tabular data – Google Refine • http://code.google.com/p/google-refine/ • Pros: – Understands record concept – Formulas / Facets – Undo capability – Windows / Mac / Linux • Cons: – There is a learning curve – Unusual type of app » Download, unzip, run exe file, access through browser
  16. 16. Assembling Data & Building Context
  17. 17. Context: Your Questions• What challenges have you faced putting your data in context?• Are you struggling to identify what “context” means for your organization?• Do you know what data you’d like to use, but have trouble finding it?
  18. 18. Your Data in Context• Your data is essential!• But it is more meaningful in context… – Ratios & rates • Service level • Market penetration – Indicators & trends • How you compare – Targeting • Key demographics Juice Analytics • Custom summaries
  19. 19. Making Sense of the Census• American FactFinder• http://factfinder2.census.gov – Decennial Census • Every 10 years • Full population survey • Just 10 questions – American Community Survey (ACS) • Monthly sample • Aggregated over different time periods (1-, 3- and 5-year) • Extremely detailed questions • Subject to sampling error
  20. 20. FactFinder Frustrations
  21. 21. Helpers: Social Explorer• http://www.socialexplorer.com/• Data Dictionary – Survey – Dataset – Table – Variable – Formula – Population
  22. 22. Helpers: Social Explorer• Background – Key Terms – Collection Methodology – Uses & applications
  23. 23. Helpers: ACS Alchemist• https://github.com/azavea/acs-alchemist • Retrieval of block group-level data• Custom variable selection• Delivery in spatial data format ready for mappingThis tool was developed by Azavea in collaboration with Jerry Ratcliffe and Ralph Taylor of TempleUniversity Center for Security and Crime Science. This project was supported by Award No. 2010-DE-BX-K004, awarded by the National Institute of Justice, Office of Justice Programs, U.S. Department of Justice.
  24. 24. Helpers: ACS AlchemistAs easy as 1-2-32.Create a document with your selected variables
  25. 25. Helpers: ACS AlchemistAs easy as 1-2-32.Create a document with your selected variables3.Pick your geographies
  26. 26. Helpers: ACS AlchemistAs easy as 1-2-32.Create a document with your selected variables3.Pick your geographies and geolevels4.Retrieve your shapefiles
  27. 27. Other Sources• Public data – Open Data Portals • Federal, state & local data – Political Data • Voter data • Legislative boundaries• Commercial data – Population Projections – Consumer Data
  28. 28. Exploring, Presenting & Sharing Data Visualizations
  29. 29. Data Visualization: Your Questions• Do you currently share data with your constituents?• Where do you use data visualizations (e.g. annual report, embedded infographics, live data trackers)?• Do you currently map your data?
  30. 30. Exploring Data• Visualization tools – Tableau • http://www.tableausoftware.com/ • Pros: – Flexible interface makes data exploration easy – Fast even on large data sets • Cons: – Easy to visualize something that doesn’t make sense to look at – Price (for desktop tool)
  31. 31. Exploring Data• Visualization tools – ArcGIS Explorer online • http://www.arcgis.com/explorer/ • Pros: – Supports many data formats – Online digitizing – Integration with other Esri services – Presentation view / mobile app • Cons: – Can’t export geocoded results – Geocoding limited to 250 records
  32. 32. Exploring Data• Visualization tools – GeoCommons (GeoIQ) • http://geocommons.com/ • Pros: – Intuitive interface – Analysis tools – Geocoding for up to 5,000 records – Supports KML (Google Maps) import & export • Cons: – US-only geocoding
  33. 33. Exploring Data• Desktop GIS: Proprietary – Esri ArcGIS • Pros: – Industry standard – Many tools – Extensive training materials – Customer support • Cons: – Windows only – Potentially expensive * *
  34. 34. Exploring Data• Desktop GIS: Open Source– Quantum GIS (QGIS)– GRASS– uDig • Pros: – Free – Multi-platform (Windows, Mac OS, Linux) • Cons: – Limited functionality (for advanced users) – Community-based support
  35. 35. Q&A
  36. 36. Contact Us Tamara Manik-Perlman Project Manager tmanik-perlman@azavea.com 215.701.7687 Jeremy Heffner Product Manager jheffner@azavea.com 215.701.7712

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