format
A data frame with 202 observations on 13 variables.
rll{
[, 1] sex sex
[, 2] sport sport
[, 3] rcc red cell count
[, 4] wcc white cell count
[, 5] Hc Hematocrit
[, 6] Hg Hemoglobin
[, 7] Fe plasma ferritin concentration
[, 8] bmi body mass index, weight/(height)$^2$
[, 9] ssf sum of skin folds
[,10] Bfat body fat percentage
[,11] lbm lean body mass
[,12] Ht height (cm)
[,13] Wt weight (Kg)
}source
Cook and Weisberg (1994),
An Introduction to Regression Graphics.
John Wiley & Sons, New York.