secher {ISwR} | R Documentation |
The secher
data frame has 107 rows and 4 columns. It contains
ultrasonographic measurements of fetuses immediately before birth and
their subsequent
birth weight.
secher
This data frame contains the following columns:
bwt
bpd
ad
no
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.
plot(bwt~ad, data=secher, log="xy")