zr {bda} | R Documentation |
OFC data for singleton live births with gestational age at least 38 weeks in city "R" and county "Z".
data(zr)
A data frame with three variables.
Sex | character | 'male' or 'female' |
Region | character | city "R" or county "Z". |
Head | numeric | head size. |
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.
data(zr) zr