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SPATIAL DATA ANALYSIS Tony E. Smith University of Pennsylvania Point Pattern Analysis Continuous Pattern Analysis Spatial Regression Analysis
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POINT PATTERN ANALYSIS Example Application Areas Housing Sales Crime Incidents Infectious Diseases Philadelphia Example Intergroup Conflict Incidents
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Where are Conflict “Hot Spots” ? Only meaningful relative to Population Perhaps even Racial mix What would random incidents look like ? How analyze this statistically ? ACTUAL RANDOM
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CONTINUOUS PATTERN ANALYSIS Example Application Areas Weather Patterns Mineral Exploration Environmental Pollution Geologic Analyses Venice Example INDUSTRY VENICE
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Results for Venice: Can be 95% confident that each meter of industrial drawdown lowers the Venice water table by at least 15 cm. Predicted Water Table Levels Analysis for Policy Conclusions ACTION: Drawdown was restricted (1973) RESULT: Venice elevation increased (1976)
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SPATIAL REGRESSION ANALYSIS Example Applications Urban Area Data by: census tracts National Area Data by: block groups states counties Columbus Crime Example OHIO Columbus
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Columbus Census-Tract Data Crime Rate per capita Explanatory Variables Median Income House Values
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