6. Issues of Statistical Generalization

6.1 The importance of attending to issues of statistical generalization 6.2 What a difference this issue makes to maps

6.3 Exploring your data and its "shape"

6.4 Commonly employed ranging methods for assigning cutpoints

6.5 Symbolizing the Category Ranges

6.6 Statistical annotations are needed for some complex datasets

Further Reading

 Coulson, Michael R.C. 1987. In the matter of class intervals for choropleth maps: With particular reference to the work of George F. Jenks. Cartographica 24 (2): 16-39.

 Evans, Ian S. 1977. The selection of class intervals. Transactions of the Institute of British Geographers New Series 2: 98-124.

 Jenks, George F. 1963. Generalization in statistical mapping. Annals of the Association of American Geographers 53: 15-26.

 Jenks, George F. and Duane S. Knos. 1961. The Use of Shading Patterns in Graded Series. Annals of the Association of American Geographers 51: 316-334.

 Go on to Problems of Realizing Ideals with Computer Systems

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