Tuesday, May 11, 2010

Data interpretation and Ecological fallacy

These graphs show exactly the same data but at different scale. One can draw different conclusions from these graphs based on the scale. The scale have some effect on the outcome of the visualization and interpretation of the results. At low resolution the information provided is usually general and does not tell us much. Similarly, at very high resolution the information provided could not be useful as it is too detailed, and almost the same as the raw data.

The following sites has more information on ecological fallacy:

http://jratcliffe.net/research/ecolfallacy.htm
http://jratcliffe.net/research/maup.htm

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