downs.mi

This data reproduces table 14.4 in Fleiss (1981) and which is
drawn from a large-scale study in Michigan 1950-1964 of the effect
of Maternal age and Birth order on Down Syndrome and Leukemia
(Stark and Mantell, 1966).

datasets

Perform a test of a simple null hypothesis about a
directly standardized rate and obtain the matching confidence
interval using a choice of methods.

Michael Nelson

dsrTest

Tests and Confidence Intervals on Directly Standardized Rates
for Several Methods

downs.mi function

This <code>data.frame</code> contains the following columns:<dl class="dl-horizontal">
<dt><code>Age</code></dt><dd>The age category of the mothers.</dd>
<dt><code>BirthOrder</code></dt><dd>The birth order.</dd>
<dt><code>Cases</code></dt><dd>The number of cases of Down's Syndrome.</dd>
<dt><code>Births</code></dt><dd>The number of live births.</dd>
<dt><code>Standard</code></dt><dd>A "standard" population, derived as the total
number of births in each age category</dd>
</dl>

Format

Downs' syndrome cases and of total live births
by maternal age and birth order, Michigan, 1950-1964. — downs.mi

This <code>data.frame</code> contains the following columns:<dl class='dl-horizontal'>
<dt><code>Age</code></dt><dd>The age category of the mothers.</dd>
<dt><code>BirthOrder</code></dt><dd>The birth order.</dd>
<dt><code>Cases</code></dt><dd>The number of cases of Down's Syndrome.</dd>
<dt><code>Births</code></dt><dd>The number of live births.</dd>
<dt><code>Standard</code></dt><dd>A "standard" population, derived as the total
number of births in each age category</dd>
</dl>

downs.mi: Downs' syndrome cases and of total live births by maternal age and birth order, Michigan, 1950-1964.

Description

Usage

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Format