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+## Copyright (C) 1995, 1996, 1997  Kurt Hornik
+## 
+## This program is free software; you can redistribute it and/or modify
+## it under the terms of the GNU General Public License as published by
+## the Free Software Foundation; either version 2, or (at your option)
+## any later version.
+## 
+## This program is distributed in the hope that it will be useful, but
+## WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+## General Public License for more details. 
+## 
+## You should have received a copy of the GNU General Public License
+## along with this file.  If not, write to the Free Software Foundation,
+## 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+## For each component of p, return the probit (the quantile of the
+## standard normal distribution) of p.
+  
+## Written by KH <Kurt.Hornik@ci.tuwien.ac.at> on 1995/02/04
+## Description:  Probit transformation
+
+function y = probit (p)
+  
+  if (nargin == 1)
+    y = stdnormal_inv (p);
+  else
+    usage ("probit (p)");
+  endif
+
+endfunction
+  
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