Dataset:  botoxmig.dat

Source: R.A. Behmand, T. Tucker, and B. Guyuron (2003). "Single-Site
Botulinum Toxin Type A Injection for Elimination of Migraine Trigger
Points", Headache, Vol. 43: 1085-1089.

Description: Patient Demographics and Pre- and Post- Treatment
Results for Botoxin in Patients Suffering Migraines.

Variables/Columns

Patient ID   7-8
Age  15-16
Gender  24   /* 1=Female, 2=Male */
Aura/Nonaura Status   32   /*  1=A, 2=N, 3=A/N  */
Pre-Tx Headache Freq per Month  39-40
Pre-Tx Headache Intensity per month  47-48  /* 0-10 scale  */
Post-Tx Headache Freq per month    55-56
Post-Tx Headache Intensity per month   63  /*  0-10 scale  */