Data table from Table 9.11 of Hollander and Wolfe (1999).
The data consists of triglyceride levels on 13 patients.
Two factors, each at two levels, were recorded: Sex and Obesity.
The concomitant variables are chylomicrons, age, and three lipid
variables (very low-density lipoproteins (VLDL), low-density lipoproteins (LDL),
and high-density lipoproteins (HDL)).