Innovative Uses of Geographic Information Systems. Lance A. Waller Department of Biostatistics Rollins School of Public Health Emory University [email protected] Outline. Why does the geography of immunization matter? What is GIS? What does GIS do? What data do I have?
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Each cell contains an attribute value
Objects on the map are features.
Basic GIS operation #1:
Snow, J. (1949) Snow on Cholera.
Oxford University Press: London.
you want to
The data you
need to answer
The data you
Original source: Toxicologist EPA Region IV
Maxcy, K.F. (1926) “An epidemiological study of endemic typhus (Brill’s
disease) in the Southeastern United States with special reference to its
mode of transmition.” Public Health Reports41, 2967-2995.
Lilienfeld, D.E. and Stolley, P.D. (1994) Foundations of Epidemiology,
Third Edition. Oxford University Press: New York, pp. 136-140.
Monmonier, M (1991) How to Lie with Maps. University of Chicago Press: Chicago. p. 142.
Statistical Software(SAS, S+ Spatial Stats)Spatially and/or visually challenged
GS+ClusterSeerWinBUGS/GeoBUGSXGOBI/XGvisR (many nice spatial modules,
must write code, quality
control?)Link to GIS S+/ArcView 3.x SAS Bridge to ArcGIS 8.x
Commercial GIS Software(ArcView, Mapinfo)
Statistically challengedExtensions (Analysts)$$$, limited capability Packages by scientific user good, but basic Scripts and MacrosUser-contributedOften do not give numerical output