Recent Advances In Statistical Methods: Proceedings Of Statistics 2001 Canada : The 4th Conference In Applied Statistics Montreal, Canada 6-8 July 2001

Proceedings of Statistics 2001 Canada The 4 t h Conference in Applied Statistics R E C E N T ADVANCES IN STATISTICAL METHODS ixlited by Yogendra P. Chaubey Imperial College Press RECENT ADVANCES IN STATISTICAL M E T H O D S Editorial Board: Chief Editor P. CHAUBEY, Concordia University, Department of Mathematics and Statistics, Montreal, QC H4B 1R6, Canada YOGENDRA Coordinating Editors G A R R I D O , Concordia University, Department of Mathematics and Statistics, Montreal, QC H4B 1R6, Canada JOSE FASSIL N E B E B E , Concordia University, Department of Decision Sciences and MIS, Montreal, QC H3G 1M8, Canada Associate Editors B.ABRAHAM, R. University of Waterloo Southern Methodist University J.-F. A. ANGERS, University de Montreal A. BOSE, Carleton University A. CANTY, McMaster A.H. University EL-SIIAARAWI, National Water Research Institute NATARAJAN, OKTAC, UQAM N.G.N. PRASAD, University of Alberta S.N. R A I , St. Jude Children Research Hospital J. RAMSAY, Concordia University McGill University R. R O Y , Universite de Montreal A. SEN, Oakland University C. D. STANFORD, R. FERLAND, UQAM G. FISHER, GENEST, Universite Laval and University of Western Ontario R.D. B. SUTRADHAR , GUPTA, University of New Brunswick Memorial University of Newfoundland Z. KHALIL, K. Concordia University McGill University WORSLEY, Managing Editor VINCENT G O U L E T , Concordia University, Department of Mathematics and Statistics, Montreal, QC H4B 1R6, Canada edited by Y o g e n d r a P. Chaubey Concordia University, Canada RECENT ADVANCES IN STATISTICAL METHODS Proceedings of S t a t i s t i c s 2 0 0 1 Canada The 4 t h Conference in Applied S t a t i s t i c s Montreal, Canada 6 - 8 July 2001 Imperial College Press Published by Imperial College Press 57 Shelton Street Covent Garden London WC2H 9HE Distributed by World Scientific Publishing Co. Pte. Ltd. 5 Toh Tuck Link, Singapore 596224 USA office: Suite 202,1060 Main Street, River Edge, NJ 07661 UK office: 57 Shelton Street, Covent Garden, London WC2H 9HE British Library Cataloguing-in-Publication Data A catalogue record for this book is available from the British Library. RECENT ADVANCES IN STATISTICAL METHODS Proceedings of Statistics 2001 Canada: The 4th Conference in Applied Statistics Copyright © 2002 by Imperial College Press All rights reserved. This book, or parts thereof, may not be reproduced in any form or by any means, electronic or mechanical, including photocopying, recording or any information storage and retrieval system now known or to be invented, without written permission from the Publisher. For photocopying of material in this volume, please pay a copying fee through the Copyright Clearance Center, Inc., 222 Rosewood Drive, Danvers, MA 01923, USA. In this case permission to photocopy is not required from the publisher. ISBN 1-86094-333-0 This book is printed on acid-free paper.