Interactive Linked Micromap Plots with nViZn and on the...
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Interactive Linked Interactive Linked MicromapMicromap Plots Plotswith "with "nViZnnViZn" and on the Web" and on the Web
JürgenJürgen Symanzik Symanzik
Utah State University, Logan, UT, USAUtah State University, Logan, UT, USA
*e-mail:*e-mail: symanzik symanzik@[email protected]
WWW: http://www.math.WWW: http://www.math.usuusu..eduedu/~/~symanziksymanzik
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ContentsContents
nn Digital Government Initiative (1999-…)Digital Government Initiative (1999-…)
nn EPA’s Cumulative Exposure ProjectEPA’s Cumulative Exposure Project(1998/1999)(1998/1999)
nn MicromapsMicromaps via via nVizN nVizN (2000-2003)(2000-2003)
nn MicromapsMicromaps at USDA-NASS (9/1999) at USDA-NASS (9/1999)
nn MicromapsMicromaps at NCI (4/2003-…) at NCI (4/2003-…)
nn MicromapsMicromaps for the West Nile Virus (2003-…) for the West Nile Virus (2003-…)
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Digital Government InitiativeDigital Government Initiative
nn Research funded by NSF and Federal AgenciesResearch funded by NSF and Federal Agencies(EPA, USDA-NASS, NCI, Census, …)(EPA, USDA-NASS, NCI, Census, …)
nn Started around 1999Started around 1999
nn Multiple aspects of Federal data:Multiple aspects of Federal data:Visualization, Access, Security, Disclosure, ...Visualization, Access, Security, Disclosure, ...
nn Digital Government Quality Graphics (DGQG)Digital Government Quality Graphics (DGQG)
nn http://www.http://www.diggovdiggov.org.org
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EPA’s Cumulative Exposure ProjectEPA’s Cumulative Exposure Project(CEP)(CEP)
nn Conducted by EPA’s Office of PolicyConducted by EPA’s Office of Policy
nn Collection of analyses, addressing multipleCollection of analyses, addressing multiplepollutants from multiple sites (1998/1999)pollutants from multiple sites (1998/1999)
nn National analyses ofNational analyses of–– AirAir Toxics Toxics (Outdoor Concentrations) (Outdoor Concentrations)–– Food Contaminants (Exposures)Food Contaminants (Exposures)–– Drinking Water Contaminants (Exposures)Drinking Water Contaminants (Exposures)
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Scope of ModelingScope of Modeling
nn 188 Hazardous Air Pollutants (188 Hazardous Air Pollutants (HAPsHAPs) in) inClean Air ActClean Air Act
nn 148148 HAPs HAPs modeled for 1990 modeled for 1990
nn Modeled concentrations for each censusModeled concentrations for each censustract in continental US (> 60,000)tract in continental US (> 60,000)
nn Includes stationary and mobile sources ofIncludes stationary and mobile sources ofairair toxics toxics emissions emissions
nn Uncertainty bounds derived from model-Uncertainty bounds derived from model-monitor comparisonsmonitor comparisons
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Web-based Access of HAP DataWeb-based Access of HAP Data
nn Goals:Goals:–– Concise displayConcise display
–– Easy accessEasy access
–– Understandable toUnderstandable to nonstatistical nonstatistical audience audience
nn Solution:Solution:–– WWWWWW
–– GPLGPL
–– MicromapsMicromapsSymanzik, Carr, Symanzik, Carr, AxelradAxelrad, Wang, Wong, , Wang, Wong, WoodruffWoodruff (1999): Interactive Tables and (1999): Interactive Tables and
Maps - A Glance at EPA's Cumulative Exposure Project Web Page,Maps - A Glance at EPA's Cumulative Exposure Project Web Page,Proceedings of the Section on Statistical Graphics, ASA, 94-99.Proceedings of the Section on Statistical Graphics, ASA, 94-99.
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http://www.epa.gov/CumulativeExposure (no longer active)
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Graphics Production Library (GPL)Graphics Production Library (GPL)
nn JAVA-based tool for creation and modification ofJAVA-based tool for creation and modification ofstatistical graphics on the Webstatistical graphics on the Web
nn Follows guidelines of modern statistical graphicsFollows guidelines of modern statistical graphics
nn Developers: Dan Rope, Dan CarrDevelopers: Dan Rope, Dan Carr
nn Reference: Carr,Reference: Carr, Valliant Valliant, Rope (1996): Plot, Rope (1996): PlotInterpretation and Information Webs…, SCSG*,Interpretation and Information Webs…, SCSG*,7(2):19-26.7(2):19-26.
*SCGS: Statistical Computing & Statistical Graphics Newsletter:*SCGS: Statistical Computing & Statistical Graphics Newsletter: http://www-http://www-statstat..stanfordstanford..eduedu/~/~susansusan//scgnscgn//
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GPL ExamplesGPL Examples
nn http://www.monumental.http://www.monumental.com/com/dandan_rope/_rope/gplgpl//(no longer active)(no longer active)
nn WWW mirror site:WWW mirror site:http://www.math.http://www.math.usuusu..eduedu//~~symanziksymanzik//gplgpl/data//data/
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MicromapsMicromaps
nn Link of row-labeledLink of row-labeled univariate univariate (or (ormultivariate) statistical summaries tomultivariate) statistical summaries tocorresponding geographical regioncorresponding geographical region
nn Focus on statistical display and not on mapsFocus on statistical display and not on maps
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History ofHistory of Micromaps Micromaps
nn First presented at 1996 American StatisticalFirst presented at 1996 American StatisticalAssociation’s (ASA) annual meeting (Olsen, Carr,Association’s (ASA) annual meeting (Olsen, Carr,CourboisCourbois, , PiersonPierson))
nn References:References:
–– Carr, Carr, Pierson Pierson (1996): Emphasizing Statistical(1996): Emphasizing StatisticalSummaries …with Summaries …with MicromapsMicromaps, SCSG*, 7(3):16-23., SCSG*, 7(3):16-23.
–– Carr, Olsen, Carr, Olsen, CourboisCourbois, , PiersonPierson, Carr (1998): Linked, Carr (1998): LinkedMicromap Micromap Plots: ..., SCSG, 9(1):24-32.Plots: ..., SCSG, 9(1):24-32.
*SCSG: Statistical Computing & Statistical Graphics Newsletter:*SCSG: Statistical Computing & Statistical Graphics Newsletter: http://www-http://www-statstat..stanfordstanford..eduedu/~/~susansusan//scgnscgn//
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Death of the CEPDeath of the CEP
CBS, 2/20/1999 NPR, 1/22/99
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nViZnnViZn
nn Follow-up to the GPLFollow-up to the GPLnn JAVA-based software development kit (SDK)JAVA-based software development kit (SDK)
for the creation and modification of interactivefor the creation and modification of interactivestatistical graphics applications (tables, charts,statistical graphics applications (tables, charts,micromapsmicromaps, ...), ...)
nn http://www.http://www.spssspss.com/.com/nviznnviznnn Related book “The Grammar of Graphics” byRelated book “The Grammar of Graphics” by
Leland WilkinsonLeland Wilkinson
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nViZn FeaturesnViZn Features
nn Follows guidelines of modern statisticalFollows guidelines of modern statisticalgraphics with analytics completed withingraphics with analytics completed withinthe SDKthe SDK
nn Interactive abilities include dynamic dataInteractive abilities include dynamic datafiltering, brushing/linking, mouse roll-filtering, brushing/linking, mouse roll-oversovers,,pan-and-zoom, drill-down, 3-D rotation,pan-and-zoom, drill-down, 3-D rotation,and animationand animation
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Micromaps Micromaps with with nViZnnViZn
nn Hierarchical Hierarchical clickable micromapsclickable micromaps and tables and tablesfor the display of Federal statistical datafor the display of Federal statistical data–– Micromaps Micromaps and tables under and tables under nViZnnViZn
–– ClickableClickable maps and tables maps and tables
–– Hierarchy of maps and tablesHierarchy of maps and tables
–– Selection of variablesSelection of variables
–– Use of EPA HAP data for demo purposesUse of EPA HAP data for demo purposes
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Completed WorkCompleted Work
nn Interactive displays: Queries & Interactive displays: Queries & metameta data data
nn Access of multipleAccess of multiple micromaps micromaps and tables and tablesthrough main displaythrough main display
nn Scrollable maps and tablesScrollable maps and tables
nn Demo Demo
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Possible Future Work with Possible Future Work with nViZnnViZn
nn Final goal: Hierarchical Final goal: Hierarchical clickableclickablemicromapsmicromaps and tables for the display of and tables for the display ofFederal statistical dataFederal statistical data–– Hierarchy of maps and tablesHierarchy of maps and tables
–– Full selection of variablesFull selection of variables
–– Sorting w.r.t. multiple criteriaSorting w.r.t. multiple criteria
–– Access to Federal data baseAccess to Federal data base
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Advantages of nViZnAdvantages of nViZn
nn New versions released every few monthsNew versions released every few months
nn Training courses offered by SPSSTraining courses offered by SPSS
nn Good communication with usersGood communication with users
nn Might become a very useful tool to deliverMight become a very useful tool to deliverinteractive statistical graphics on the Webinteractive statistical graphics on the Web
nn Huge potential for use with FederalHuge potential for use with Federalstatistical datastatistical data
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DisdvantagesDisdvantages of nViZn of nViZn
nn Little documentation availableLittle documentation available
nn Good JAVA knowledge requiredGood JAVA knowledge required
nn Sensitive to browsers andSensitive to browsers and plugins plugins
nn High costHigh cost
nn Huge overhead of Java code when onlyHuge overhead of Java code when onlymicromaps micromaps are neededare needed
nn Meanwhile . . .Meanwhile . . .
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Micromaps Micromaps at USDA-NASSat USDA-NASS
nn U.S. Department of Agriculture - NationalU.S. Department of Agriculture - NationalAgricultural Statistics Service (USDA-NASS)Agricultural Statistics Service (USDA-NASS)
nn http://www.http://www.nassnass..usdausda..govgov/research//research/sumpantsumpant..htmhtm
nn Released in September 1999Released in September 1999
nn 1997 Census of Agriculture:1997 Census of Agriculture:–– Acreage, production, yieldAcreage, production, yield
–– Corn, soybeans, wheat, hay, cottonCorn, soybeans, wheat, hay, cotton
nn Pre-calculated Pre-calculated micromapsmicromaps
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Micromaps Micromaps at NCIat NCI
nn National Cancer Institute (NCI)National Cancer Institute (NCI)
nn http://www.http://www.statecancerprofilesstatecancerprofiles.cancer..cancer.govgov//micromapsmicromaps
nn Released in April 2003Released in April 2003
nn Cancer statistics:Cancer statistics:–– Mortality and incidence counts and ratesMortality and incidence counts and rates
–– Trends by sex and race/ethnicityTrends by sex and race/ethnicity
nn Fully interactiveFully interactive
nn Extensive usability testingExtensive usability testingWang, Chen, Carr, Bell, Pickle (2002): Geographic Statistics Visualization: Web-basedWang, Chen, Carr, Bell, Pickle (2002): Geographic Statistics Visualization: Web-based
Linked Linked MicromapMicromap Plots, Computing in Science & Engineering 4(3):90-94. Plots, Computing in Science & Engineering 4(3):90-94.
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Micromaps Micromaps for the Display offor the Display ofWest Nile Virus (WNV) DataWest Nile Virus (WNV) Data
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West Nile Virus (WNV) ???West Nile Virus (WNV) ???
–– Introduced to the US inIntroduced to the US in19991999
–– Spread across NorthSpread across NorthAmerica in 5 yearsAmerica in 5 years
–– Initial event -Initial event - Culex Culexmosquito transmits virusmosquito transmits viruswithin avian populationswithin avian populations
–– BridgingBridging Aedes albopictus Aedes albopictustransmits virus from birdstransmits virus from birdsto animals and humansto animals and humans
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From 2002 CDC Web Page to From 2002 CDC Web Page to MicromapsMicromaps
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From 2003 CDC Web Page to From 2003 CDC Web Page to MicromapsMicromaps
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Web-Based Access to WNV DataWeb-Based Access to WNV Data
nn Decision at Utah State University (USU):Decision at Utah State University (USU):–– Obtain NCI Java code for Web-based WNVObtain NCI Java code for Web-based WNV
micromapsmicromaps
–– Upgrades for the display of WNV dataUpgrades for the display of WNV data
–– Reference: Symanzik, Reference: Symanzik, GebreabGebreab, , GilliesGillies, Wilson, Wilson(2003): Visualizing the Spread of West Nile(2003): Visualizing the Spread of West NileVirus, Proceedings, ASA, CD.Virus, Proceedings, ASA, CD.
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n http://webcat.gis.usu.edu:8080/index.html
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Concluding RemarksConcluding Remarks
nn WNV, as an example of a vector-borneWNV, as an example of a vector-bornepathogen, is a spatially and temporallypathogen, is a spatially and temporallycomplex phenomenon, but can becomplex phenomenon, but can be–– Described well &Described well &–– Summarized, using visualization techniques, inSummarized, using visualization techniques, in
particular particular micromapsmicromaps
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Ongoing WorkOngoing Work
nn Linking of West NileLinking of West Nile Micromap Micromap Server Serverwith USU Climate Data Basewith USU Climate Data Base
nn Extension of Extension of Micromap Micromap Server withServer with–– MetadataMetadata–– Password-restricted access to sensitive dataPassword-restricted access to sensitive data–– Additional medical data sourcesAdditional medical data sources
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Questions ???Questions ???