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The Nature of Geographic Data and the Selection of Thematic Map Symbols

Chapter Outline

Chapter 4: The Nature of Geographic Data and the Selection of Thematic Map Symbols
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THE NATURE OF DATA
       Data Characteristics
              Location
                     Point Data
                     Line Data
                     Area Data
              Form
                     Qualitative/Quantitative Context
                     Spatial Context
                     Attribute Context
              Time
       Data Transformations
              Scale
              Form
              Boundary Changes
DATA MEASUREMENT
       Nominal
       Ordinal
       Interval
       Ratio
DATA: THEMATIC MAP RELATIONSHIPS
       Map Symbols
       Visual Variables
                     Size
                     Shape
                     Orientation
                     Texture
                     Saturation and Value
CARTOGRAPHIC ERROR
       Source Error
       Processing Error
       Cartographic Design Error
DATA SOURCES
       Data (GIS) Clearinghouses
       Federal Governmental Agencies
              U.S. Census Bureau
              U.S. Geological Survey
       Federal Information Processing Standards (FIPS)
              Potential Problems
REFERENCES
GLOSSARY




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