Signal Extraction and Knowledge Discovery Based on Statistical Modeling
(invited lecture for ALT 2003 and DS 2003)
Author: Genshiro Kitagawa
Affiliation: Department of Prediction and Control,
The Institute of Statistical Mathematics,
In the coming post IT era, the problems of signal extraction and
knowledge discovery from huge data sets will become very important.
For this problem, the use of a good model is crucial and thus
the statistical modeling will play an important role.
In this paper, we show two basic tools for statistical modeling,
namely the information criteria for the evaluation of the
statistical models and generic state space model which
provides us with a very flexible tool for modeling
complex and time-varying systems.
As examples of these methods we shall show some applications
in seismology and macro economics.
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