bda (version 2.0.11-4)

zr: occipitofrontal head circumference data

Description

OFC data for singleton live births with gestational age at least 38 weeks in city "R" and county "Z".

Usage

data(zr)

format

A data frame with three variables. lll{ Sex character 'male' or 'female' Region character city "R" or county "Z". 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.

Examples

data(zr)
 male = zr$Sex=="male"
 zar = zr$Region=="Zarichne"

 out1 = bootkde(zr$Head[male&zar])