A data frame with 500 observations on the following 8 variables.
id : | Identity number for mother and baby. |
bweight : | Birth weight of baby. |
lowbw : | Indicator for birth weight less than 2500 g. |
gestwks : | Gestation period. |
preterm : | Indicator for gestation period less than 37 weeks. |
matage : | Maternal age. |
hyp : | Indicator for maternal hypertension. |
sex : | Sex of baby: 1:Male, 2:Female. |