Age, weight, height, and 10 body circumference measurements are recorded for 252 men. Each man's percentage of body fat was accurately estimated by an underwater weighing technique.

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

fat function

A data frame with 252 observations on the following 18 variables.<dl>
 <dt><code>brozek</code></dt>
<dd>Percent body fat using Brozek's equation, 457/Density - 414.2</dd> <dt><code>siri</code></dt>
<dd>Percent body fat using Siri's equation, 495/Density - 450</dd> <dt><code>density</code></dt>
<dd>Density (gm/$cm^3$)</dd> <dt><code>age</code></dt>
<dd>Age (yrs)</dd> <dt><code>weight</code></dt>
<dd>Weight (lbs)</dd> <dt><code>height</code></dt>
<dd>Height (inches)</dd> <dt><code>adipos</code></dt>
<dd>Adiposity index = Weight/Height$^2$ (kg/$m^2$)</dd> <dt><code>free</code></dt>
<dd>Fat Free Weight = (1 - fraction of body fat) * Weight, using Brozek's formula (lbs)</dd> <dt><code>neck</code></dt>
<dd>Neck circumference (cm)</dd> <dt><code>chest</code></dt>
<dd>Chest circumference (cm)</dd> <dt><code>abdom</code></dt>
<dd>Abdomen circumference (cm) at the umbilicus and level with the iliac crest</dd> <dt><code>hip</code></dt>
<dd>Hip circumference (cm)</dd> <dt><code>thigh</code></dt>
<dd>Thigh circumference (cm)</dd> <dt><code>knee</code></dt>
<dd>Knee circumference (cm)</dd> <dt><code>ankle</code></dt>
<dd>Ankle circumference (cm)</dd> <dt><code>biceps</code></dt>
<dd>Extended biceps circumference (cm)</dd> <dt><code>forearm</code></dt>
<dd>Forearm circumference (cm)</dd> <dt><code>wrist</code></dt>
<dd>Wrist circumference (cm) distal to the styloid processes</dd> 
</dl>

Format

Percentage of Body Fat and Body Measurements — fat

A data frame with 252 observations on the following 18 variables.<dl>
 <dt><code>brozek</code></dt>
<dd>Percent body fat using Brozek's equation, 457/Density - 414.2</dd>

 <dt><code>siri</code></dt>
<dd>Percent body fat using Siri's equation, 495/Density - 450</dd>

 <dt><code>density</code></dt>
<dd>Density (gm/$cm^3$)</dd>

 <dt><code>age</code></dt>
<dd>Age (yrs)</dd>

 <dt><code>weight</code></dt>
<dd>Weight (lbs)</dd>

 <dt><code>height</code></dt>
<dd>Height (inches)</dd>

 <dt><code>adipos</code></dt>
<dd>Adiposity index = Weight/Height$^2$ (kg/$m^2$)</dd>

 <dt><code>free</code></dt>
<dd>Fat Free Weight = (1 - fraction of body fat) * Weight, using Brozek's formula (lbs)</dd>

 <dt><code>neck</code></dt>
<dd>Neck circumference (cm)</dd>

 <dt><code>chest</code></dt>
<dd>Chest circumference (cm)</dd>

 <dt><code>abdom</code></dt>
<dd>Abdomen circumference (cm) at the umbilicus and level with the iliac crest</dd>

 <dt><code>hip</code></dt>
<dd>Hip circumference (cm)</dd>

 <dt><code>thigh</code></dt>
<dd>Thigh circumference (cm)</dd>

 <dt><code>knee</code></dt>
<dd>Knee circumference (cm)</dd>

 <dt><code>ankle</code></dt>
<dd>Ankle circumference (cm)</dd>

 <dt><code>biceps</code></dt>
<dd>Extended biceps circumference (cm)</dd>

 <dt><code>forearm</code></dt>
<dd>Forearm circumference (cm)</dd>

 <dt><code>wrist</code></dt>
<dd>Wrist circumference (cm) distal to the styloid processes</dd>

 
</dl>

fat: Percentage of Body Fat and Body Measurements

Description

Usage

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Format