Using Geographic Information Systems (GIS) and Other Mapping Tools in VR Programs
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Transcript of Using Geographic Information Systems (GIS) and Other Mapping Tools in VR Programs
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Using Geographic Information Systems (GIS) and Other Mapping
Tools in VR Programs
Todd Sink, Ph.D., Research Specialist II WV Division of Rehabilitation Services
Pisnu Bua-Iam, M.A., Senior ManagerWV Division of Rehabilitation Services
Rhonda Young, M.A. University of Arkansas
1WV Division of Rehabilitation Services
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Outline• Introduction
▫VR Management Perspectives on GIS▫Background on geographic information
systems (GIS)▫Purpose▫Goals
• Identification of Potential Underserved and Unserved Areas▫Summary▫Details, step by step
• Summary of GIS Strategy▫Other GIS possibilities in VR
• Other Mapping Tools in VR
2WV Division of Rehabilitation Services
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Background on GIS•What is it? How does it work? •What are the benefits?•Who uses GIS? What is it used for?
3WV Division of Rehabilitation Services
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What is GIS? How Does it Work?GIS? Data Sources
• A system designed to inform decision making from data
4WV Division of Rehabilitation
Services
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What are the Benefits?
Benefits? Example: Tabular Data
• Data▫ Capture▫ Store▫ Manage▫ Display▫ Analyze
Most efficient and effective for VR administrators
Ease with which data can be communicated
5WV Division of Rehabilitation
Services
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Who Uses GIS? What is it Used for?Who? Uses?
• Government Agencies▫ Federal▫ State▫ Local
• Real Estate • Health Care • Retail • Information • Others
• Federal Government▫ Monitor predatory lending
practices• State Government
▫ Maintain highways and roads• Local Government
▫ Establish evacuation routes▫ Track local crime patterns
• Real Estate▫ Track property values and tax
information• Health Care
▫ Track spread of disease• Retail
▫ Find optimal location for new store
▫ Trade Area• Information
▫ Planning of utility expansion6
WV Division of Rehabilitation Services
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Purpose•Introduce GIS (ArcGIS: ArcMap 10) as a
tool to pinpoint parts of West Virginia where populations are potentially unserved and possibly underserved by WVDRS
•Discuss other mapping tools in VR
7WV Division of Rehabilitation Services
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Goal
•Improve planning for community outreach efforts▫Cost-effective method to increase
awareness of WVDRS programs and services among VR stakeholders and consumers
8WV Division of Rehabilitation Services
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Identification of Potential Underserved and Unserved Areas
Summary of Steps
9WV Division of Rehabilitation Services
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Step 1. Determine scale for potential underserved and unserved areas (geographic area)Possible scales
*Proposed RSA-911 requires VR agencies to report zip code information 10
WV Division of Rehabilitation Services
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Step 2. Create Zip Code Boundary Layer for State of West Virginia (WVDRS service area)
Outline of Step 2
11WV Division of Rehabilitation
Services
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Navigate Network:2.1.1 Click Add Data Button
12WV Division of Rehabilitation
Services
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Navigate Network:2.1.2 Locate Folder with Data
13WV Division of Rehabilitation
Services
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Navigate Network:2.1.3 Select U.S. Zip Codes
14WV Division of Rehabilitation
Services
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2.2 Add U.S. Zip Codes
15WV Division of Rehabilitation
Services
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Create WV Zip Code Layer2.3.1 Select by Attributes (WV)
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Services
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Create WV Zip Code Layer2.3.2 Create Layer from Selection
17WV Division of Rehabilitation
Services
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Create WV Zip Code Layer2.3.3 Zoom to Layer
18WV Division of Rehabilitation
Services
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Step 3. Join WVDRS Active Client Table (As of 5-18-2011) with WV Zip Code Layer
Outline of Step 3
19WV Division of Rehabilitation
Services
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Join Active Client List with Zip Code Layer: 3.1. Match Joining Columns
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Join Active Client List with Zip Code Layer: 3.2.Perform Join
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Join Active Client List with Zip Code Layer: 3.3 Validate Join
22WV Division of Rehabilitation
Services
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Join Active Client List with Zip Code Layer: 3.3 Validate Join cont.
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Step 4. Operationalize Potential Underserved and Unserved Zip Codes
•Potential Unserved Zip Codes▫Ø active clients
•Possible Underserved Zip Codes▫Number of active clients below the state
average, as of 5-18-2011 Avg: 44.94
24WV Division of Rehabilitation Services
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Step 5. Create Map of Active Clients
Outline of Step 5
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Create Map of Active Clients: 5.1 Data Classification
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Create Map of Active Clients:
5.1 Data Classification cont.
27WV Division of Rehabilitation Services
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28WV Division of Rehabilitation Services
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Create Map of Active Clients: 5.2 Export Map
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Services
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Summary• GIS application in VR• Improve planning for community outreach efforts
• Other GIS Possibilities for State VR Agencies▫ Aid in matching employment needs of clients with available
jobs Match case management records with local employment
dynamics data (U.S. Census)▫ Help find the most suitable location for a new branch office
Spatial Analyst Extension in ArcGIS Input model criteria to define best location: Cost; accessibility;
terrain; etc.▫ Explore patterns of success in employment outcomes
Explore by district office or branch office Map best performers in terms of successful and unsuccessful
closure statuses: Model performance (Logistic regression or discriminant
function analysis) using data from case management records and quality assurance review
Use results to mark areas where improvements could be made30WV Division of Rehabilitation
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The OthersPurchased and Free software with mapping capabilities
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Tableau (6.0 or 6.1)www.tableausoftware.com
• Tableau Desktop▫ User Friendly▫ Dashboard Reporting▫ Connect directly to databases, data warehouses, files and
spreadsheets▫ Data blending - connect to multiple data sources to add
layers to the visualization▫ Automatic geocoding down to the zip code level▫ Tableau Reader is free and allows other VR agency staff to
‘see’ the data visualization▫ Training webinars are conducted on a regular basis and most
are free▫ A 30 day trial is available▫ Pricing depends upon the number of user licenses
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‘26’ Closures, FFY 2011, Field Services Office Locations
The size of each mark represents the percentage of 26 closures for each of the ARS office locations.
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JMP (9.0 or 9.02)www.jmp.com
• JMP is a SAS product and has many capabilities:▫ Statistical analysis▫ Visualization▫ Modeling▫ Interactive data mining▫ Server connections are simple to use▫ JMP’s latest release, 9.0 has geographic maps or
connect to a web map service▫ Add your own shapes, a building floor plan, scale
diagrams and build your visualization▫ Graph builder is a tool and can be used to display
density and contour graphs across multiple variables▫ Government pricing is available▫ Support and training are available on the website
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JMP Tree Map26 Closures, FFY 2011, Counselor, District, City
The size of each box within the District, City represent numeric values for the number of cases
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SPSS (20.0)
• SPSS is an IBM statistical analysis product and the latest release includes mapping tools▫ Several maps are pre-loaded or this tool can be used
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26 Closures, FFY 2011 by Office ZipSPSS Graphboard Template Chooser and map imported with the Map Building Utility
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Free Software and Map Resources
• GeoDa, open source software developed by Arizona State University, Mac OSX and Windows versionshttp://geodacenter.asu.edu/
• ArcGIS Explorer, free GIS viewer with access to ArcGIS online base maps and layers, Windows only
http://www.esri.com/software/arcgis/explorer/
• ArcGIS Explorer Online, free browser based services, requires account creation, works with Explorer, Firefox and Safari
http://explorer.arcgis.com
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Where do I get those shape map files?
TIGER Data – U.S. Census Bureau, 2010 data now available
www.census.gov/geo/www/tiger/
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