Last data update: 2014.03.03

R: occipitofrontal head circumference data
ofcR Documentation

occipitofrontal head circumference data

Description

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

Results