mammalsleep

The <code>mammalsleep</code> data frame has 62 rows and 10 columns.
Sleep in Mammals: Ecological and Constitutional Correlates

datasets

Books are "Practical Regression and ANOVA in R" on CRAN, "Linear Models with R" published 1st Ed. August 2004, 2nd Ed. July 2014 by CRC press, ISBN 9781439887332, and "Extending the Linear Model with R" published by CRC press in 1st Ed. December 2005 and 2nd Ed. March 2016, ISBN 9781584884248.

Julian Faraway

faraway

Functions and Datasets for Books by Julian Faraway

mammalsleep function

This data frame contains the following columns:<dl>
<dt><code>body</code></dt>
<dd>body weight in kg</dd><dt><code>brain</code></dt>
<dd>brain weight in g</dd><dt><code>nondream</code></dt>
<dd>slow wave ("nondreaming") sleep (hrs/day)</dd><dt><code>dream</code></dt>
<dd>paradoxical ("dreaming") sleep (hrs/day)</dd><dt><code>sleep</code></dt>
<dd>total sleep (hrs/day) (sum of slow wave and paradoxical sleep)</dd><dt><code>lifespan</code></dt>
<dd>maximum life span (years)</dd><dt><code>gestation</code></dt>
<dd>gestation time (days)</dd><dt><code>predation</code></dt>
<dd>predation index (1-5) 1 = minimum (least likely to be preyed upon) to
 5 = maximum (most likely to be preyed upon)</dd><dt><code>exposure</code></dt>
<dd>sleep exposure index (1-5)
 1 = least exposed (e.g. animal sleeps in a 
 well-protected den)
 5 = most exposed</dd><dt><code>danger</code></dt>
<dd>overall danger index (1-5)
 (based on the above two indices and other information)
 1 = least danger (from other animals)
 5 = most danger (from other animals)</dd></dl>

Format

Sleep  in Mammals: Ecological and Constitutional Correlates — mammalsleep

This data frame contains the following columns:<dl>
<dt><code>body</code></dt>
<dd>body weight in kg</dd>

<dt><code>brain</code></dt>
<dd>brain weight in g</dd>

<dt><code>nondream</code></dt>
<dd>slow wave ("nondreaming") sleep (hrs/day)</dd>

<dt><code>dream</code></dt>
<dd>paradoxical ("dreaming") sleep (hrs/day)</dd>

<dt><code>sleep</code></dt>
<dd>total sleep (hrs/day) (sum of slow wave and paradoxical sleep)</dd>

<dt><code>lifespan</code></dt>
<dd>maximum life span (years)</dd>

<dt><code>gestation</code></dt>
<dd>gestation time (days)</dd>

<dt><code>predation</code></dt>
<dd>predation index (1-5) 1 = minimum (least likely to be preyed upon) to
 5 = maximum (most likely to be preyed upon)</dd>

<dt><code>exposure</code></dt>
<dd>sleep exposure index (1-5)
 1 = least exposed (e.g. animal sleeps in a 
 well-protected den)
 5 = most exposed</dd>

<dt><code>danger</code></dt>
<dd>overall danger index (1-5)
 (based on the above two indices and other information)
 1 = least danger (from other animals)
 5 = most danger (from other animals)</dd>

</dl>

mammalsleep: Sleep in Mammals: Ecological and Constitutional Correlates

Description

Usage

Arguments

Format