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An Introduction to The Baltimore Neighborhood Indicators Alliance and Geographic Information Systems

An Introduction to The Baltimore Neighborhood Indicators Alliance and Geographic Information Systems. Cheryl Knott GIS Analyst BNIA-JFI University of Baltimore June 30, 2009. Topics:. BNIA-JFI Background NNIP Services Data Vital Signs Other Geographic Information Systems (GIS)

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An Introduction to The Baltimore Neighborhood Indicators Alliance and Geographic Information Systems

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  1. An Introduction to The Baltimore Neighborhood Indicators Alliance and Geographic Information Systems Cheryl Knott GIS Analyst BNIA-JFI University of Baltimore June 30, 2009

  2. Topics: • BNIA-JFI • Background • NNIP • Services • Data • Vital Signs • Other • Geographic Information Systems (GIS) • Introduction • Types of maps • Data sources • Geocoding

  3. BNIA-JFI • Part of the University of Baltimore • Jacob France Institute • Variety of research areas • Ties with UB and other faculty • Goal of BNIA-JFI • Provide accurate data and objective research • Strengthen the principle and practice of well informed decision making

  4. NNIP – Urban Institute • 32 Cities (and expanding) • Defining Functions • Building and operating neighborhood-based indicator systems • Facilitating and promoting the use of data by community and city leaders • Emphasizing the use of information to build the capacities of institutions and residents • Cross-Site initiatives • Prisoner re-entry • Early childhood readiness • Foreclosures • National policy

  5. BNIA-JFI Services • One stop shop for data/information • GIS • Survey-based research • Economic development • Workforce development • Community development • Benchmarking • Indicator analysis • Legislative/policy analysis • Transit-oriented development • Market evaluation analysis (Baltimore DrillDown)

  6. BNIA-JFI Recent Projects • Baltimore Community Foundation Community Engagement Initiative - Older Adults • Central Baltimore Partnership Indicator Tracking and Maps • Associated Black Charities of MD More in the Middle – Dashboard report • Downtown Partnership of Baltimore State of the Downtown, 2008 • Homes for America Study of Annapolis, Maryland • Baltimore City CEDS Evaluation

  7. BNIA-JFI – Vital Signs Vital Signs Topics: • Housing • Children, Safety, Health • Workforce/Economic Development • Sanitation • Transit • Education • Neighborhood & Community

  8. BNIA-JFI Other Data/Information: • Time Series • Relationships with data providers • Expanding focus • Baltimore Metro • Data Committee • Flexibility • New indicators • Additional datasets • Geography

  9. Geographic Information Systems (GIS) • What is GIS? • Maps • Databases • History • Traditional cartography • Digital evolution

  10. Old vs. New

  11. GIS Software • Specialized software for mapping • ArcGIS from ESRI • MapInfo

  12. Types of GIS Maps Reference/Asset– maps that show where things are located spatially in reference to other landmarks/places or things of interest Highway atlas, locations of public schools Statistical/Thematic– maps that visually represent the spatial distribution of indicator data Density of foreclosure filings, median household income by neighborhood

  13. An example of an asset map

  14. An example of a thematic map

  15. Spatial Statistics • Points - Central tendencies - Nearest neighbor - Cluster analyses • Lines - Characteristics (length, direction) - Connectivity • Polygons - Characteristics (area, centroid distances) - Spatial autocorrelation

  16. Spatial Statistics • Univariate - Mean/median/mode - Variance • Bivariate - Correlations - Trend analysis (regression models) “Statistical Analysis of Geographic Information” by Wong and Lee

  17. Data Sources • Proprietary data from Baltimore City Enterprise GIS (City Hall) - assets • U.S. Census – boundary files • ESRI – Software and data packages Any database with a location field (x,y or address)

  18. Geocoding • Lattitude/longitude (x,y) • Address - References a center-line file - Approximates location

  19. Geocoding – Address Formats • 6 necessary components: street number, street direction (if applicable), street name, street type, city, state, and zip • Correct spelling ESSENTIAL • Combine street number, direction, name, and type in one field

  20. Geocoding – Address Formats • Right: “400 N. Calvert Street” “100 W. Baltimore St.” “1716 Merritt Blvd.” • Wrong: “5204 Liberty Hts” Spell out Heights; add Road “600 Charles Blvd” No north/south; St. not Blvd. “3604 Greenmunt Ave” Greenmount misspelled

  21. Questions? Cheryl Knott BNIA-JFI University of Baltimore cknott@ubalt.edu 410-837-4377 http://www.ubalt.edu/bnia/

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