Toxoplasmosis Data
Toxoplasmosis data in 34 cities in El Salvador.
data(toxop)
A data frame with 34 observations on the following 4 variables.
rainfalla numeric vector; the amount of rainfall in each city.
ssizea numeric vector; sample size.
cityNoa numeric vector; the city number.
positivea numeric vector; the number of subjects testing positive for the disease.
See the references for details.
See the references for details.
Efron, B. (1978). Regression and ANOVA With zero-one data: measures of residual variation. Journal of the American Statistical Association, 73, 113–121.
Efron, B. (1986). Double exponential families and their use in generalized linear regression. Journal of the American Statistical Association, 81, 709–721.
## Not run: with(toxop, plot(rainfall, positive / ssize, col = "blue")) plot(toxop, col = "blue") ## End(Not run)
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