Fat {evidence}

Human body fat and several covariates for calculating it.

Description

Data from Johnson (1996) on human body fat: determined by under-water weight and several covariates to estimate it statistically.

Usage

data(Fat)

Format

A data frame with 252 observations on the following 19 variables:

Case

case number

PBF.B

percentage body fat estimated using Brozek's equation

PBF.S

percentage body fat estimated using Siri's equation

Dens

Density (gm/cm^3)

Age

Age (yrs)

Weight

Weight (lbs)

Height

Height (inches)

AI

Adiposity index = Weight/Height^2 (kg/m^2)

FFWt

Fat Free Weight using Brozek's formula (lbs)

Neck

Neck circumference (cm)

Chest

Chest circumference (cm)

Abd

Abdomen circumference (cm)

Hip

Hip circumference (cm)

Thigh

Thigh circumference (cm)

Knee

Knee circumference (cm)

Ankle

Ankle circumference (cm)

Biceps

Extended biceps circumference (cm)

FArm

Forearm circumference (cm)

Wrist

Wrist circumference (cm)

Source

Johnson, R. 1996. Fitting percentage of body fat to simple body measurements. Journal of Statistics Education 2(1), 1–6.

van Hulst, R. 2018. Evaluating Scientific Evidence. ms.

Examples

data(Fat)
qqnorm(Fat$Height)
qqline(Fat$Height)