(data "Skiing"
:about "Effects of cross-country skiing on the matabolism as measured by CPK concentration, a measure of metabolic activity, recorded for 18 cross-country skiers during a relay race. 

Zuliani, U, et al. (1983) Metabolic modification caused by sport activity. J. Sports Medicin 23, 385-392. Obtained from Tierney, p. 22.

These data are appropriate for simple regression with CPK as the response variable."
:title "Cross-Country skiing"
:variables '("Age" "CPK")
:data 
(combine (bind-columns
(list 19 21 24 24 24 25 32 33 35 37 37 44 50 51 52 55 57 62)
(list 520 300 480 1040 1360 580 440 180 490 520 380 640 360 240 420 280 400 260))))