HSwrestler {PASWR} | R Documentation |
High School Wrestlers
Description
The body fat of 78 high school wrestlers was measured using three separate
techniques, and the results are stored in the data frame HSwrestler
.
The techniques used were hydrostatic weighing (HWFAT
), skin fold
measurements (SKFAT
), and the Tanita body fat scale (TANFAT
).
Data are used in Examples 10.11, 12.11, and 12.12.
Format
A data frame with 78 observations on the following 9 variables:
- AGE
age of wrestler in years
- HT
height of wrestler in inches
- WT
weight ofwrestler in pounds
- ABS
abdominal fat
- TRICEPS
tricep fat
- SUBSCAP
subscapular fat
- HWFAT
hydrostatic fat
- TANFAT
Tanita fat
- SKFAT
skin fat
Source
Data provided by Dr. Alan Utter, Department of Health Leisure and Exercise Science, Appalachian State University.
References
Ugarte, M. D., Militino, A. F., and Arnholt, A. T. (2008) Probability and Statistics with R. Chapman & Hall/CRC.
Examples
FAT <- c(HSwrestler$HWFAT, HSwrestler$TANFAT, HSwrestler$SKFAT)
GROUP <- factor(rep(c("HWFAT", "TANFAT", "SKFAT"), rep(78, 3)))
BLOCK <- factor(rep(1:78, 3))
friedman.test(FAT ~ GROUP | BLOCK)