HSwrestler {PASWR} | R Documentation |
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.
HSwrestler
A data frame with 78 observations on the following 9 variables:
AGE
HT
WT
ABS
TRICEPS
SUBSCAP
HWFAT
TANFAT
SKFAT
Data provided by Dr. Alan Utter, Department of Health Leisure and Exercise Science, Appalachian State University.
Ugarte, M. D., Militino, A. F., and Arnholt, A. T. (2008) Probability and Statistics with R. Chapman & Hall/CRC.
attach(HSwrestler) FAT <- c(HWFAT,TANFAT,SKFAT) GROUP <- factor(rep(c("HWFAT","TANFAT","SKFAT"),rep(78,3))) BLOCK <- factor(rep(1:78,3)) friedman.test(FAT~GROUP|BLOCK) detach(HSwrestler)