secretin

The <code>secretin</code> data frame has 50 rows and 6 columns. It contains
data from a glucose response experiment.

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

secretin function

This data frame contains the following columns:<dl>
 <dt><code>gluc</code></dt>
<dd>a numeric vector, blood glucose level.</dd> <dt><code>person</code></dt>
<dd>a factor with levels <code>A</code>--<code>E</code>.</dd> <dt><code>time</code></dt>
<dd>a factor with levels <code>20</code>, <code>30</code>, <code>60</code>, <code>90</code> 
 (minutes since injection), and <code>pre</code> (before injection).</dd> <dt><code>repl</code></dt>
<dd>a factor with levels
 <code>a</code>: 1st sample;
 <code>b</code>: 2nd sample.</dd> <dt><code>time20plus</code></dt>
<dd>a factor with levels
 <code>20+</code>: 20 minutes or longer since injection;
 <code>pre</code>: before injection.</dd> <dt><code>time.comb</code></dt>
<dd>a factor with levels
 <code>20</code>: 20 minutes since injection;
 <code>30+</code>: 30 minutes or longer since injection;
 <code>pre</code>: before injection.</dd> 
</dl>

Format

Secretin-induced blood glucose changes — secretin

This data frame contains the following columns:<dl>
 <dt><code>gluc</code></dt>
<dd>a numeric vector, blood glucose level.</dd>

 <dt><code>person</code></dt>
<dd>a factor with levels <code>A</code>--<code>E</code>.</dd>

 <dt><code>time</code></dt>
<dd>a factor with levels <code>20</code>, <code>30</code>, <code>60</code>, <code>90</code> 
 (minutes since injection), and <code>pre</code> (before injection).</dd>

 <dt><code>repl</code></dt>
<dd>a factor with levels
 <code>a</code>: 1st sample;
 <code>b</code>: 2nd sample.</dd>

 <dt><code>time20plus</code></dt>
<dd>a factor with levels
 <code>20+</code>: 20 minutes or longer since injection;
 <code>pre</code>: before injection.</dd>

 <dt><code>time.comb</code></dt>
<dd>a factor with levels
 <code>20</code>: 20 minutes since injection;
 <code>30+</code>: 30 minutes or longer since injection;
 <code>pre</code>: before injection.</dd>

 
</dl>

secretin: Secretin-induced blood glucose changes

Description

Usage

Arguments

Format

Details