Respiratory disease rates of babies fed in different ways
Study on infant respiratory disease, namely the proportions of children developing bronchitis or pneumonia in their first year of life by type of feeding and sex.
data(babyfood)
A data frame with 6 observations on the following 4 variables.
diseasenumber with disease
nondiseasenumber without disease
sexa factor with levels Boy Girl
fooda factor with levels Bottle Breast Suppl
Payne, C. (1987). The GLIM System Release 3.77 Manual (2 ed.). Oxford: Nu- merical Algorithms Group.
data(babyfood) ## maybe str(babyfood) ; plot(babyfood) ...
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