This correlation matrix was published in Jolliffe (2002, p.58). The data
consist of measurements of strength of reflexes at ten sites of the body,
taken for 143 individuals. The variables come in five pairs, corresponding
to right and left measurements on triceps, biceps, wrists, knees and
ankles, respectively.
Usage
data(reflexesC)
Arguments
Format
It's a $10 x 10$ correlation matrix, i.e. symmetric, and
diagonal 1.
The five pairs of variables are (in this order)
"triceps.R", "triceps.L", "biceps.R", "biceps.L",
"wrist.R", "wrist.L", "knee.R", "knee.L",
"ankle.R", "ankle.L".
References
Jolliffe, I.T. (2002)
Principal Component Analysis (2nd ed.).
Springer, New York.