3 * Ben Pfaff wrote most of the program and the manual.
5 * John Williams originally wrote the T-TEST procedure, which was
6 subsequently re-written by John Darrington.
8 * John Darrington wrote the T-TEST, ONEWAY, and EXAMINE
9 procedures, implemented support for long variable names and
10 made numerous revisions to other modules.
12 * Jason Stover contributed statistical and numerical
13 functionality, including lib/gslextras. (Jason is also an
14 important contributor to libgsl used by PSPP.)