down | R Documentation |
The down
data frame has 30 rows and 3 columns.
Variable cases
means the number of babies with Down syndrome out of total number of births
births
for mothers with mean age age
.
data(down)
A data frame with 30 observations on the following 3 variables.
age
the mothers' mean age.
births
count of total births.
cases
count of babies with Down syndrome.
Davison, A.C. and Hinkley, D. V. (1997) Bootstrap Methods and their Application. Cambridge University Press.
Geyer, C. J. (1991) Constrained maximum likelihood exemplified by isotonic convex logistic regression. Journal of the American Statistical Association 86, 717–724.
data(down)
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