data(birth)
Year |
numeric |
| 2006 -- 2009 |
Sex |
| character | 'male' or 'female' |
Live.Still |
factor |
| 'liveborn' or 'stillborn' |
Plurality |
| numeric | 'singleton' or others |
Gestation |
numeric |
| Gestational age (in weeks). |
Weight |
| numeric | birth weight. |
Length |
numeric |
| height. |
Head |
| numeric | head size. |
Chest |
numeric |
| chest size. |
Mother.s.age |
| numeric | chest size. |
type |
factor |
| 'r' = rural or 'u' = urban. |
region |
| factor | region of the birth. |
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