Page 17 - Jolliffe I. Principal Component Analysis

Acknowledgments
xvi
these institutions, Neville Nicholls, Philippe Besse and Jorge Cadima. Dis-
cussions with Wasyl Drosdowsky, Antoine de Falguerolles, Henri Caussinus
and David Stephenson were helpful in clarifying some of my ideas. Wasyl
Drosdowsky, Irene Oliveira and Peter Baines kindly supplied figures, and
John Sheehan and John Pulham gave useful advice. Numerous authors
sent me copies of their (sometimes unpublished) work, enabling the book
to have a broader perspective than it would otherwise have had.
I am grateful to John Kimmel of Springer for encouragement and to four
anonymous reviewers for helpful comments.
The last word must again go to my wife Jean, who, as well as demon-
strating great patience as the project took unsociable amounts of time, has
helped with some the chores associated with indexing and proofreading.
I. T. Jolliffe
April, 2002
Aberdeen, U. K.