in this section use one input file and one SAS data set. For a complete listing
of the input data, see The YEAR_SALES Data Set.
The input file contains the enrollment
and exam grades for an introductory chemistry course. The 50 students
enrolled in the course attend several lectures, and a discussion section
one day a week. The input file has the following structure:
Abdallah F Mon 46 Anderson M Wed 75
Aziz F Wed 67 Bayer M Wed 77
Bhatt M Fri 79 Blair F Fri 70
Bledsoe F Mon 63 Boone M Wed 58
Burke F Mon 63 Chung M Wed 85
Cohen F Fri 89 Drew F Mon 49
Dubos M Mon 41 Elliott F Wed 85
…more data lines… Simonson M Wed 62 Smith N M Wed 71 Smith R M Mon 79 Sullivan M Fri 77 Swift M Wed 63 Wolfson ...