Dataset: concussion.dat Source: T. Covassin, C.B. Swanik, M.L. Sachs (2003). "Sex Differences and the Incidence of Concussions Among Collegiate Athletes", Journal of Athletic Training, Vol. (38)3, pp238-244 Description: Counts of Concussions among collegiate athletes in 5 sports for 3 years by gender. Variables/Columns Gender 1-7 Sport 9-27 Academic Year 31-34 Concussion id 42 /* 0=No, 1=Yes */ Count 46-50