The author wishes to thank Dr. Nicholas N.N. Nsowah-Nuamah of the Institute of Statistical, Social and Economic Research, University of Ghana, Legon, and Dr. Chukwuemeka O. Omekara, Department of Statistics, University of Ghana, Legon, for their very valuable assistance during the preparation and editing of the document. Their observations and suggestions regarding concepts and computational approaches helped in making the document much more readable and their thorough scrutiny of the manuscript made it possible to trace and correct several typing and notation errors that would have otherwise escaped the attention of the author. Special thanks are extended to Dr. Kwame Koranteng, senior FAO consultant, who reviewed the document and made very useful suggestions regarding the utility of the presented approach in fisheries applications.
