# Body Fat Data

### Description

Estimates of the percentage of body fat determined by underwater weighing and various body circumference measurements for 252 men.

### Usage

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### Format

A data frame with 252 observations on the following 15 variables.

`Density`

Density determined from underwater weighing, a numeric vector

`BodyFat`

Percent body fat from Siri's (1956) equation, a numeric vector

`Age`

in years, a numeric vector

`Weight`

in lbs, a numeric vector

`Height`

in inches, a numeric vector

`Neck`

circumference in cm, a numeric vector

`Chest`

circumference in cm, a numeric vector

`Abdomen`

circumference in cm, a numeric vector

`Hip`

circumference in cm, a numeric vector

`Thigh`

circumference in cm, a numeric vector

`Knee`

circumference in cm, a numeric vector

`Ankle`

circumference in cm, a numeric vector

`Biceps`

circumference in cm, a numeric vector

`Forearm`

circumference in cm, a numeric vector

`Wrist`

circumference in cm, a numeric vector

### Source

For more information see http://lib.stat.cmu.edu/datasets/bodyfat

### References

Bailey, Covert (1994). _Smart Exercise: Burning Fat, Getting Fit_, Houghton-Mifflin Co., Boston, pp. 179-186.

Behnke, A.R. and Wilmore, J.H. (1974). _Evaluation and Regulation of Body Build and Composition_, Prentice-Hall, Englewood Cliffs, N.J.

Siri, W.E. (1956), "Gross composition of the body", in _Advances in Biological and Medical Physics_, vol. IV, edited by J.H. Lawrence and C.A. Tobias, Academic Press, Inc., New York.

Katch, Frank and McArdle, William (1977). _Nutrition, Weight Control, and Exercise_, Houghton Mifflin Co., Boston.

Wilmore, Jack (1976). _Athletic Training and Physical Fitness: Physiological Principles of the Conditioning Process_, Allyn and Bacon, Inc., Boston.

### Examples

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