About three years ago, an idea was discussed among some colleagues in
the Division of Statistics at the University of California, Davis, as to
the possibility of holding an international conference, focusing
exclusively on nonparametric curve estimation. The fruition of this idea
came about with the enthusiastic support of this project by Luc Devroye
of McGill University, Canada, and Peter Robinson of the London School of
Economics, UK. The response of colleagues, contacted to ascertain
interest in participation in such a conference, was gratifying and made
the effort involved worthwhile. Devroye and Robinson, together with this
editor and George Metakides of the University of Patras, Greece and of
the European Economic Communities, Brussels, formed the International
Organizing Committee for a two week long Advanced Study Institute (ASI)
sponsored by the Scientific Affairs Division of the North Atlantic
Treaty Organization (NATO). The ASI was held on the Greek Island of
Spetses between July 29 and August 10, 1990. Nonparametric functional
estimation is a central topic in statistics, with applications in
numerous substantive fields in mathematics, natural and social sciences,
engineering and medicine. While there has been interest in nonparametric
functional estimation for many years, this has grown of late, owing to
increasing availability of large data sets and the ability to process
them by means of improved computing facilities, along with the ability
to display the results by means of sophisticated graphical procedures.