cpp_1yr | R Documentation |
Subset of growth data from the collaborative perinatal project (CPP) at
single time-point. The rows in original cpp
data were subset for
agedays==366. See ?cpp
for the description of the variables.
data(cpp_1yr)
https://catalog.archives.gov/id/606622
Broman, Sarah. 'The collaborative perinatal project: an overview.' Handbook of longitudinal research 1 (1984): 185-227.
data(cpp_1yr)
head(cpp_1yr)
table(cpp_1yr[["agedays"]])
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