secher: Birth weight and ultrasonography
In ISwR: Introductory Statistics with R
secher R Documentation
Birth weight and ultrasonography
Description
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
Format
This data frame contains the following columns:
bwt-
a numeric vector, birth weight (g).
bpd-
a numeric vector, biparietal diameter (mm).
ad-
a numeric vector, abdominal diameter (mm).
no-
a numeric vector, observation number.
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.
Examples
plot(bwt~ad, data=secher, log="xy")
ISwR documentation built on Nov. 5, 2025, 6:33 p.m.
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| secher | R Documentation |
Birth weight and ultrasonography
Description
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
secherFormat
This data frame contains the following columns:
bwt-
a numeric vector, birth weight (g).
bpd-
a numeric vector, biparietal diameter (mm).
ad-
a numeric vector, abdominal diameter (mm).
no-
a numeric vector, observation number.
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.
Examples
plot(bwt~ad, data=secher, log="xy")
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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