secher

The <code>secher</code> data frame has 107 rows and 4 columns. It contains
ultrasonographic measurements of fetuses immediately before birth and
their subsequent 
birth weight.

datasets

Data sets and scripts for text examples and exercises in
P. Dalgaard (2008), `Introductory Statistics with R', 2nd ed., Springer Verlag, ISBN 978-0387790534.

Peter Dalgaard

ISwR

Introductory Statistics with R

secher function

This data frame contains the following columns:<dl>
<dt><code>bwt</code></dt>
<dd>a numeric vector, birth weight (g).</dd><dt><code>bpd</code></dt>
<dd>a numeric vector, biparietal diameter (mm).</dd><dt><code>ad</code></dt>
<dd>a numeric vector, abdominal diameter (mm).</dd><dt><code>no</code></dt>
<dd>a numeric vector, observation number.</dd>
</dl>

Format

Birth weight and ultrasonography — secher

This data frame contains the following columns:<dl>
<dt><code>bwt</code></dt>
<dd>a numeric vector, birth weight (g).</dd>

<dt><code>bpd</code></dt>
<dd>a numeric vector, biparietal diameter (mm).</dd>

<dt><code>ad</code></dt>
<dd>a numeric vector, abdominal diameter (mm).</dd>

<dt><code>no</code></dt>
<dd>a numeric vector, observation number.</dd>


</dl>

secher: Birth weight and ultrasonography

Description

Usage

Arguments

Format

Examples