These data are used in the book "Computational Statistics" 
by G.H. Givens and J.A. Hoeting.

Name: hivrisk.dat
Chapter: 4
Discussed in: Problem 4.2

Description: Results from a survey of 1500 homosexual men.  Each
subject reported how many risky sexual encounters he had in the
previous 30 days.  The data are tabled frequency counts.

Variable labels: encounters, frequency