nickel.expand

The data concern a cohort of nickel smelting workers in South Wales,
 with information on exposure, follow-up period, and cause of death, as
 in the <code>nickel</code> data.
 This version has follow-up times split according to age groups and is
 merged with the mortality rates in <code>ewrates</code>.

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

nickel.expand function

A data frame with 3724 observations on the following 12 variables:<dl>
 <dt><code>agr</code></dt>
<dd>age class: 10: 10--14, 15: 15--19, ....</dd> <dt><code>ygr</code></dt>
<dd>calendar period, 1931: 1931--35, 1936:
 1936--40, ... .</dd> <dt><code>id</code></dt>
<dd>subject identifier (numeric).</dd> <dt><code>icd</code></dt>
<dd>ICD cause of death if dead, 0 otherwise (numeric).</dd> <dt><code>exposure</code></dt>
<dd>exposure index for workplace (numeric).</dd> <dt><code>dob</code></dt>
<dd>date of birth (numeric).</dd>
 
 <dt><code>age1st</code></dt>
<dd>age at first exposure (numeric).</dd>
 
 <dt><code>agein</code></dt>
<dd>age at start of follow-up (numeric).</dd>
 
 <dt><code>ageout</code></dt>
<dd>age at end of follow-up (numeric).</dd>
 
 <dt><code>lung</code></dt>
<dd>lung cancer mortality rate per 1 million person-years.</dd> <dt><code>nasal</code></dt>
<dd>nasal cancer mortality rate per 1 million person-years.</dd> <dt><code>other</code></dt>
<dd>all cause mortality rate per 1 million person-years.</dd> 
</dl>

Format

Nickel smelters in South Wales, expanded — nickel.expand

A data frame with 3724 observations on the following 12 variables:<dl>
 <dt><code>agr</code></dt>
<dd>age class: 10: 10--14, 15: 15--19, ....</dd>

 <dt><code>ygr</code></dt>
<dd>calendar period, 1931: 1931--35, 1936:
 1936--40, ... .</dd>

 <dt><code>id</code></dt>
<dd>subject identifier (numeric).</dd>

 <dt><code>icd</code></dt>
<dd>ICD cause of death if dead, 0 otherwise (numeric).</dd>

 <dt><code>exposure</code></dt>
<dd>exposure index for workplace (numeric).</dd>

 <dt><code>dob</code></dt>
<dd>date of birth (numeric).</dd>
 
 <dt><code>age1st</code></dt>
<dd>age at first exposure (numeric).</dd>
 
 <dt><code>agein</code></dt>
<dd>age at start of follow-up (numeric).</dd>
 
 <dt><code>ageout</code></dt>
<dd>age at end of follow-up (numeric).</dd>
 
 <dt><code>lung</code></dt>
<dd>lung cancer mortality rate per 1 million person-years.</dd>

 <dt><code>nasal</code></dt>
<dd>nasal cancer mortality rate per 1 million person-years.</dd>

 <dt><code>other</code></dt>
<dd>all cause mortality rate per 1 million person-years.</dd>

 
</dl>

nickel.expand: Nickel smelters in South Wales, expanded

Description

Usage

Arguments

Format