1 We wish to thank current active contributors to PSPP:
3 * Ben Pfaff wrote the initial program and manual, which comprises the
4 majority of the current code. Ben continues to contribute and
5 most of the core libraries which ensure that PSPP runs with optimal
8 * John Darrington wrote the graphical user interface, and the T-TEST,
9 ONEWAY, EXAMINE, RANK and NPAR TESTS commands, implemented support for
10 long variable names, PostgreSQL and Gnumeric and made numerous
11 revisions to other modules.
13 * Jason Stover contributed statistical and numerical functionality,
14 including lib/gslextras and the linear regression features. Jason
15 is also an important contributor to GSL, which is used by PSPP.
17 * Mehmet Hakan Satman wrote the QUICK CLUSTER command.
21 - Dutch: Harry Thijssen.
23 - Catalan and Spanish: Palmira Payá Sanchez, Javier Gómez Serrano,
24 and Francesc Josep Miguel Quesada.
26 - British English: John Darrington.
28 - Brazilian Portuguese: Michel Almada de Castro Boaventura.
30 - Lithuanian: Mindaugas Baranauskas
32 We also thank past contributors:
34 * John Williams wrote an initial draft of the T-TEST procedure.
36 * Michael Kiefte contributed bug fixes and other enhancements.
38 * Patrick Kobly contributed bug fixes and other enhancements.
40 * Rob van Son wrote the original version of the routine for
41 calculation of the significance of the Wilcoxon matched pairs signed
42 rank statistic used by the NPAR TEST command.