Dataset:  brainhead.dat

Source: R.J. Gladstone (1905). "A Study of the Relations of the Brain to 
to the Size of the Head", Biometrika, Vol. 4, pp105-123

Description: Brain weight (grams) and head size (cubic cm) for 237
adults classified by gender and age group.

Variables/Columns
Gender   8   /* 1=Male, 2=Female  */
Age Range  16   /* 1=20-46, 2=46+  */
Head size (cm^3)  21-24
Brain weight (grams)  29-32