Description

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.

Usage

Format

A data frame with 252 observations on the following 18 variables.

brozek

Percent body fat using Brozek's equation, 457/Density - 414.2

siri

Percent body fat using Siri's equation, 495/Density - 450

density

Density (gm/$cm^3$)

age

Age (yrs)

weight

Weight (lbs)

height

Height (inches)

adipos

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

free

Fat Free Weight = (1 - fraction of body fat) * Weight, using Brozek's formula (lbs)

neck

Neck circumference (cm)

chest

Chest circumference (cm)

abdom

Abdomen circumference (cm) at the umbilicus and level with the iliac crest

hip

Hip circumference (cm)

thigh

Thigh circumference (cm)

knee

Knee circumference (cm)

ankle

Ankle circumference (cm)

biceps

Extended biceps circumference (cm)

forearm

Forearm circumference (cm)

wrist

Wrist circumference (cm) distal to the styloid processes

Source

Johnson R. Journal of Statistics Education v.4, n.1 (1996)