paper available: learning in a committee machine
Robert Urbanczik
robert at physik.uni-wuerzburg.de
Wed Jul 24 07:54:58 EDT 1996
FTP-host: ftp.physik.uni-wuerzburg.de
FTP-filename: /pub/preprint/WUE-ITP-96-013.ps.gz
**DO NOT FORWARD TO OTHER GROUPS**
The following paper (9 pages, to appear in Europhys.Letts.)
is now available via anonymous ftp:
(See below for the retrieval procedure)
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Learning in a large committee machine:
Worst case and average case
by R. Urbanczik
Abstract:
Learning of realizable rules is studied for tree committee machines
with continuous weights. No nontrivial upper bound exists for
the generalization error of consistent students as the number of hidden
units $K$ increases. However, numerical considerations show that
consistent students with
a value of the generalization error significantly higher than predicted
by the average case analysis are extremely hard to find. An on-line
learning algorithm is presented, for which the generalization error scales
with the training set size as in the average case theory in the limit
of large $K$.
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Retrieval procedure:
unix> ftp ftp.physik.uni-wuerzburg.de
Name: anonymous Password: {your e-mail address}
ftp> cd pub/preprint/1996
ftp> get WUE-ITP-96-013.ps.gz
ftp> quit
unix> gunzip WUE-ITP-96-013.ps.gz
e.g. unix> lp WUE-ITP-96-013.ps
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