% MacrosJM May 16, 2005\input MacrosMac\input MacrosBasic% Abstract alone\def\idenabs{\ff\vskip-2\baselineskip      \begingroup\parskip=0pt\fsize{10}\it\frenchspacing\noindent      Departament d'Estad’stica i I.O., Universitat de Val{\`e}ncia.\par\noindent      Facultat de Matem{\`a}tiques, 46100--Burjassot, Val{\`e}ncia, Spain.\par\noindent      Tel. and Fax 34.96.364.3560;      www.uv.es/$\sim$bernardo      \vglue3mm\endgroup\pin{1}}\def\abstract{\nopagenumbers\hsize150mm\hoffset5mm\idenabs}\def\meeting#1#2{\begingroup\fsize{10}\noindent#1,     \vskip-4pt\noindent #2.\vskip0pt\noindent Typesetted on ~\today\endgroup}% Paper title\def\tit#1{\vglue10mm\ce{\ftit{\ff#1}}\smallskip}\def\titt#1#2{\vglue10mm\ce{\ftit{\ff#1}}\par\ce{\ftit{\ff#2}}\smallskip}\def\tittt#1#2#3{\vglue10mm\ce{\ftit{\ff#1}}\par\ce{\ftit{\ff#2}}                  \par\ce{\ftit{\ff#3}}\smallskip}\def\rtitt#1#2{\def\rtt{#1.~~{\it#2}}} \def\rtt{}% Author indentificaion\def\aut#1{\bigskip\ce{\fsize{12}\tf{#1}}}\def\and{{\w{\tf and}}}\def\autt#1#2{\bigskip\ce{\fsize{12}\tf\uppercase{#1}           \tf ~and~ \uppercase{#2}}}\def\auttE#1#2{\bigskip\ce{\fsize{12}\tf\uppercase{#1}           \tf ~y~ \uppercase{#2}}}\def\loc#1#2{\centerline{\it{#1}}\centerline{{\fsize{11}\tt{#2}}}}% paper Indentification\def\amsnum#1#2{\bigskip\nid{\it AMS 1980 subject classifications.\hskip2mm}              Primary #1;\; Secondary #2.\par}\def\bas{\bqo\vskip12pt\ce{SUMMARY}\smallskip\nid}\def\basE{\bqo\vskip12pt\ce{RESUMEN}\smallskip\nid}\def\eas{\par\ff\smallskip\endgroup}\def\key#1{\begingroup\ragged\smallskip\hangindent=19mm\hangafter=1     \nid\hbox to 19mm{{\fsize{10}\it Keywords:}\hfil}\kern0pt     {\fsize{9}\uppercase{\ignorespaces#1}}.\bigskip\endgroup}\def\keyE#1{\begingroup\ragged\smallskip\hangindent=19mm\hangafter=1     \nid\hbox to 25mm{{\fsize{10}\it Palabras Clave:}\hfil}\kern0pt     {\fsize{9}\uppercase{\ignorespaces#1}}.\bigskip\endgroup}% Grant\def\grant#1{\fnote{Josˇ M. Bernardo is Professor of      Statistics at the University of Valencia, Spain. This  research  is partially      funded with #1.}}\def\grantonly#1{\fnote{This  research is partially  funded with #1.}}\def\grantonlyE#1{\fnote{Investigaci—n parcialmente financiada con #1.}}% Headings\def\section#1#2\par{\vskip18pt    \vskip0pt plus.05\vsize\penalty-250\vskip0pt plus-.05\vsize    \ce{#1 \uppercase{\ignorespaces#2}}    \nobreak\smallskip\noindent}\def\ssection#1#2#3#4\par{\vskip18pt    \vskip0pt plus.05\vsize\penalty-250\vskip0pt plus-.05\vsize    \ce{#1 \uppercase{\ignorespaces#2}}			\nobreak\vskip3pt    \ce{#3 \it\ignorespaces#4}    \nobreak\smallskip\noindent}\def\subsection#1#2\par{\vskip15pt    \vskip0pt plus.05\vsize\penalty-250\vskip0pt plus-.05\vsize    \ce{#1 \it{\ignorespaces#2}}    \nobreak\smallskip\noindent}\def\sub#1{\goodbreak\vskip1mm\vskip0pt plus.05\vsize\penalty-250      \vskip0pt plus-.05\vsize\noindent{\it #1}~~\ignorespaces}\def\sep{\medskip\nid}% References\def\breE\par{\vskip18pt\vskip0pt plus.05\vsize   \penalty-250\vskip0pt plus-.05\vsize   \bgr\parskip=0pt plus3pt minus 1pt   \ce{REFERENCIAS}\smallskip\frenchspacing\fsize{10}}\def\breb{\goodbreak\bigskip\smallskip\begingroup\fsize{9}\frenchspacing}\def\breabs{\bigskip\begingroup\fsize{9}    \ce{REFERENCES}\frenchspacing}\def\bre\par{\vskip18pt\vskip0pt plus.05   \vsize\penalty-250\vskip0pt plus-.05\vsize   \parskip=0pt plus3pt minus 1pt \ce{REFERENCES}\smallskip   \begingroup\frenchspacing\fsize{10}}\def\ere{\vskip2mm\goodbreak\endgroup}\def\r{\par\vskip1pt plus 1pt    minus0pt\hangindent=1.5em\hangafter=1\noindent}\let\rr=\r\def\brenil{\begingroup\parskip=0pt plus 1pt    \smallskip\frenchspacing\fsize{10}}\def\ere{\vskip2mm\goodbreak\endgroup}% Time and date (E)\def\hoy{\number\day\space de \ifcase\month\or   Enero\or Febrero\or Marzo\or Abril\or Mayo\or Junio\or   Julio\or Agosto\or Septiembre\or Octubre\or Noviembre\or   Diciembre\fi\space de \number\year}\def\hora{\num=\time \divide\num by60 \number\num ~horas\     \multiply\num by 60 \np=\time \advance\np by-\num\number\np ~min}\def\datedE{\ff\vskip-30mm\nid Compuesto el \hoy, at las \hora\vskip30mm}% Spanish\def\spanish{\language1 \let\today=\hoy \let\hour=\hora    \let\diss=\dissE  \let\appear=\appearE    \let\appeardiss=\appeardissE \let\reprinted=\reprintedE    \let\english=\englishE  \let\italian=\italianE    \let\translatedin=\translatedinE  \let\translatedas=\translatedasE    \let\second=\secondE  \let\third=\thirdE    \let\introdby=\introdbyE \let\and=\andE}% JMB\def\jmE{\vskip5mm\ce{JOS\'E-MIGUEL BERNARDO}         \ce{\it Universitat de Val{\`e}ncia, Espa–a}         \ce{<jose.m.bernardo@uv.es>}}\def\jm{\vskip5mm\ce{JOS\'E M. BERNARDO}         \ce{\it Universitat de Val{\`e}ncia, Spain}         \ce{<jose.m.bernardo@uv.es>}}\def\jmr{\autt{JOS\'E M. BERNARDO}{RA\'UL RUEDA}         \loc{Universitat de Val{\`e}ncia, Spain {\tf~and} IIMAS, UNAM, Mexico}}\def\iden#1{\ff\vskip-2\baselineskip       \begingroup\parskip=0pt\fsize{10}\it\frenchspacing\nid       Departament d'Estad’stica i I.O., Universitat de Val{\`e}ncia.\par\nid       Facultat de Matem{\`a}tiques, 46100--Burjassot, Val{\`e}ncia, Spain.\par\nid       Tel. +34.96.364.3560 (direct), +34.96.354.4374 (office).\par\nid       Fax +34.96.364.3560 (direct), +34.96.354.4735 (office).\par\nid       Internet: jose.m.bernardo@uv.es,       Web: http://www.uv.es/\~{}bernardo/\par       \ff\par\nid{\rm Typesetted on~\today\par       \nid{{\fsize{10}#1}}}\vglue10mm\endgroup\pin{1}}\def\idenE#1{\ff\vskip-2\baselineskip       \begingroup\parskip=0pt\fsize{10}\it\frenchspacing\nid       Departament d'Estad’stica i I.O., Universitat de Val{\`e}ncia.\par\nid       Facultat de Matem{\`a}tiques, 46100--Burjassot, Val{\`e}ncia, Espa–a.\par\nid       Tel. +34.96.364.3560 (directo), +34.96.354.4374 (secretar’a)\par\nid       Fax +34.96.364.3560 (directo), +34.96.354.4735 (secretar’a) \par\nid       E-mail: jose.m.bernardo@uv.es,       Web: http://www.uv.es/\~{}bernardo/\par\ff\par\nid{\rm       Compuesto el~\hoy\par\nid{#1}}\vglue10mm\endgroup\pin{1}}\def\idenh#1{\ff\vskip-2\baselineskip       \begingroup\parskip=0pt\fsize{10}\it\frenchspacing\nid       Departament d'Estad’stica i I.O., Universitat de Val{\`e}ncia.\par\nid       Facultat de Matem{\`a}tiques, 46100--Burjassot, Val{\`e}ncia, Spain.\par\nid       Tel. +34.96.364.3560 (direct), +34.96.354.4374 (office).\par\nid       Fax +34.96.364.3560 (direct), +34.96.354.4735 (office).\par\nid       Internet: jose.m.bernardo@uv.es,       Web: http://www.uv.es/\~{}bernardo/\par       \ff\par\nid{\rm Typesetted on~\today, at \hour\par       \nid{{\fsize{10}#1}}}\vglue10mm\endgroup\pin{1}}\def\idennodate{\ff\vskip-2\baselineskip       \begingroup\parskip=0pt\fsize{10}\it\frenchspacing\nid       Departament d'Estad’stica i I.O., Universitat de Val{\`e}ncia.\par\nid       Facultat de Matem{\`a}tiques, 46100--Burjassot, Val{\`e}ncia, Spain.\par\nid       Tel. +34.96.364.3560 (direct), +34.96.354.4374 (office).\par\nid       Fax +34.96.364.3560 (direct), +34.96.354.4735 (office).\par\nid       Internet: jose.m.bernardo@uv.es,       Web: http://www.uv.es/\~{}bernardo/\par       \vglue10mm\endgroup\pin{1}}\def\idendate{\ff\vskip-15mm\nid{\rm Typesetted on~\today, at \hour}\vskip15mm}