Lecture Notes W7d2
  1. Staying Organized - protips on folders and files
  2. Syllabus in order….
  3. Email/Facebook
  4. Geoprocessing Review
  5. Introduction to (Spatial) Stats
    1. On "distributions"
    2. From data points to frequency distributions
    3. Basic shapes and interpretations of distributions
    4. Descriptive statistics : median, mean, mode; range, interquartile range
    5. Bivariate relations
    6. 2x2 tables
    7. XY scatterplots
  6. Mapping Distributions

On the Ecological Fallacy
Durkheim (1897)
Robinson (1950)
Selvin (1958)
Gary King. 1997. A Solution to the Ecological Inference Problem: Reconstructing Individual Behavior from Aggregate Data. Princeton University Press
1930 census; state level illiteracy rate;proportion of the population born outside the US;negative correlation; more immigrants,lower average illiteracy;individual correlation +0.12. Robinson's explanation: immigrants settle in states where native population more literate.

Subramanian,S V, Kelvyn Jones, Afamia Kaddour and Nancy Krieger. 2009. "Revisiting Robinson: The perils of individualistic and ecologic fallacy." Int. J. Epidemiol. (2009) 38 (2): 342-360. doi: 10.1093/ije/dyn359