Dataset: repeatrun.dat Source: I. Rollo, C. Williams, A. Nevill (2008). "Repeatability of scores on a Novel Test of Endurance Running Performance," Journal of Sports Sciences, Oct. 14, 1:8. [Epub ahead of print] Description: Total distance covered in 1 hour (meters) on treadmill by 10 runners during 3 trials (separated by 1 week each). Variables/Columns Runner 7-8 Trial Number 16 Distance in meters 18-24 Courtesy : http://www.stat.ufl.edu/~winner/datasets.html x=scan() 1 1 15202 2 1 15178 3 1 9895 4 1 15875 5 1 12138 6 1 14427 7 1 15583 8 1 13928 9 1 9419 10 1 10593 1 2 15308 2 2 14791 3 2 9825 4 2 15887 5 2 12235 6 2 14228 7 2 15354 8 2 14138 9 2 9553 10 2 10453 1 3 14886 2 3 14898 3 3 9818 4 3 15868 5 3 12329 6 3 14414 7 3 15504 8 3 13944 9 3 9606 10 3 10668 # subject=x[seq(1,90,3)] trial=x[seq(2,90,3)] distance.meters = x[seq(3,90,3)] plot(subject,distance.meters)