Description Format Source Examples
A famous example of Simpson's paradox.
A data frame with 326 observations.  The factors are coded more
succinctly in deathPen, but otherwise the data are the same.
DeathPenalty a factor with levels Yes
No 
Penalty a factor with levels Death
Not 
Victim a factor with levels Black
White (or Bl Wh) 
Defendant a factor
with levels Black White (or Bl Wh) 
Radelet, M. (1981). Racial characteristics and imposition of the death penalty. American Sociological Review, 46:918–927.
1 2  | xtabs(~Defendant+Penalty,deathPenalty)
xtabs(~Defendant+Victim+Penalty,deathPenalty)
 | 
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