GeoDaworkbook - Exploring Spatial Data with GeoDa TM A Workbook Luc Anselin Spatial Analysis Laboratory Department of Geography University of

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Unformatted text preview: Exploring Spatial Data with GeoDa TM : A Workbook Luc Anselin Spatial Analysis Laboratory Department of Geography University of Illinois, Urbana-Champaign Urbana, IL 61801 http://sal.agecon.uiuc.edu/ Center for Spatially Integrated Social Science http://www.csiss.org/ Revised Version, March 6, 2005 Copyright c 2004-2005 Luc Anselin, All Rights Reserved Contents Preface xvi 1 Getting Started with GeoDa 1 1.1 Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.2 Starting a Project . . . . . . . . . . . . . . . . . . . . . . . . 1 1.3 User Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.4 Practice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2 Creating a Choropleth Map 6 2.1 Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2.2 Quantile Map . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2.3 Selecting and Linking Observations in the Map . . . . . . . . 10 2.4 Practice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 3 Basic Table Operations 13 3.1 Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 3.2 Navigating the Data Table . . . . . . . . . . . . . . . . . . . . 13 3.3 Table Sorting and Selecting . . . . . . . . . . . . . . . . . . . 14 3.3.1 Queries . . . . . . . . . . . . . . . . . . . . . . . . . . 16 3.4 Table Calculations . . . . . . . . . . . . . . . . . . . . . . . . 17 3.5 Practice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 4 Creating a Point Shape File 22 4.1 Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 4.2 Point Input File Format . . . . . . . . . . . . . . . . . . . . . 22 4.3 Converting Text Input to a Point Shape File . . . . . . . . . 24 4.4 Practice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 i 5 Creating a Polygon Shape File 26 5.1 Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 5.2 Boundary File Input Format . . . . . . . . . . . . . . . . . . 26 5.3 Creating a Polygon Shape File for the Base Map . . . . . . . 28 5.4 Joining a Data Table to the Base Map . . . . . . . . . . . . . 29 5.5 Creating a Regular Grid Polygon Shape File . . . . . . . . . . 31 5.6 Practice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 6 Spatial Data Manipulation 36 6.1 Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 6.2 Creating a Point Shape File Containing Centroid Coordinates 37 6.2.1 Adding Centroid Coordinates to the Data Table . . . 39 6.3 Creating a Thiessen Polygon Shape File . . . . . . . . . . . . 40 6.4 Practice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 7 EDA Basics, Linking 43 7.1 Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 7.2 Linking Histograms . . . . . . . . . . . . . . . . . . . . . . . . 43 7.3 Linking Box Plots . . . . . . . . . . . . . . . . . . . . . . . . 48 7.4 Practice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52 8 Brushing Scatter Plots and Maps...
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This note was uploaded on 02/15/2012 for the course GEO 6938 taught by Professor Staff during the Summer '08 term at University of Florida.

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GeoDaworkbook - Exploring Spatial Data with GeoDa TM A Workbook Luc Anselin Spatial Analysis Laboratory Department of Geography University of

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