OFC data for singleton live births with gestational age at least 38 weeks.
Usage
data(ofc)
Format
A data frame with 2019 observations on 4 variables.
Year
numeric
2006 -- 2009
Sex
character
'male' or 'female'
Gestation
numeric
Gestational age (in weeks).
Head
numeric
head size.
References
Wang, B. and Wertelecki, W. (2012) "Density Estimation for Data With
Rounding Errors", Computational Statistics and Data Analysis, (in
press). doi: 10.1016/j.csda.2012.02.016. link