The secher data frame has 107 rows and 4 columns. It contains
ultrasonographic measurements of fetuses immediately before birth and
their subsequent
birth weight.
Usage
secher
Arguments
source
D. Kronborg and L.T. Skovgaard (1990), Regressionsanalyse,
Table 3.1, FADLs Forlag (in Danish).
Secher et al. (1987), European Journal of Obstetrics, Gynecology, and
Reproductive Biology, 24: 1--11.