fake.trypsin

The <code>trypsin</code> data frame has 271 rows and 3 columns.
 Serum levels of immunoreactive trypsin in healthy volunteers (faked!).

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

fake.trypsin function

This data frame contains the following columns:<dl>
 <dt><code>trypsin</code></dt>
<dd>a numeric vector, serum-trypsin in ng/ml.</dd> <dt><code>grp</code></dt>
<dd>a numeric vector, age coding. See below.</dd> <dt><code>grpf</code></dt>
<dd>a factor with levels 
 <code>1</code>: age 10--19, 
 <code>2</code>: age 20--29,
 <code>3</code>: age 30--39,
 <code>4</code>: age 40--49,
 <code>5</code>: age 50--59, and
 <code>6</code>: age 60--69.</dd> 
</dl>

Format

Trypsin by age groups — fake.trypsin

This data frame contains the following columns:<dl>
 <dt><code>trypsin</code></dt>
<dd>a numeric vector, serum-trypsin in ng/ml.</dd>

 <dt><code>grp</code></dt>
<dd>a numeric vector, age coding. See below.</dd>

 <dt><code>grpf</code></dt>
<dd>a factor with levels 
 <code>1</code>: age 10--19, 
 <code>2</code>: age 20--29,
 <code>3</code>: age 30--39,
 <code>4</code>: age 40--49,
 <code>5</code>: age 50--59, and
 <code>6</code>: age 60--69.</dd>

 
</dl>

fake.trypsin: Trypsin by age groups

Description

Usage

Arguments

Format

Details

Examples