ViSta is built on a foundation consisting of XLISP-STAT and XLISP. The three systems are free and open, and are freely redistributable, but they are not in the public domain. They are copyrighted by their respective authors. The copyright notices for all three systems are: Copyright Notices
ViSta Copyright (c) 1991-98 by Forrest W. Young
XLISP-STAT Copyright (c) 1990-98, by Luke Tierney
XLISP Copyright (c) 1989-98, by David Betz
Copying ViSta
Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose other than as noted below is hereby granted without fee, provided that the above copyright notice appear in all copies and that both this copyright notice and this permission notice appear in supporting documentation, and that the name of Forrest W. Young not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. You may not modify, distribute, or sell this software or its documentation without specific written prior permission. Forrest W. Young makes no representations about the suitability of this software for any purpose. It is provided "as is" without express or implied warranty.
Copying XLISP-STAT
Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation, and that the name of Luke Tierney and David Betz not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. Luke Tierney and David Betz make no representations about the suitability of this software for any purpose. It is provided "as is" without express or implied warranty.
Disclaimer
FORREST W. YOUNG, LUKE TIERNEY AND DAVID BETZ DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL FORREST W. YOUNG, LUKE TIERNEY AND/OR DAVID BETZ BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
Authors
VISTA AUTHOR:
Forrest W. Young
UNC Psychometric Laboratory
University of North Carolina at Chapel Hill
CB-3270 Davie Hall
Chapel Hill, NC 27599-3270
(919) 962-5038
email: forrest@unc.edu
XLISP-STAT AUTHOR:
Luke Tierney
School of Statistics
University of Minnesota
Minneapolis, MN 55455
(612) 625-7843
email: luke@umnstat.stat.umn.edu
XLISP AUTHOR:
David Betz
P.O. Box 144
Peterborough, NH 03458
(603) 924-4145
Copyright © 1996-8 by Forrest W. Young. All rights reserved.