System and method for quantifying an extent to which a data mining algorithm captures useful information in input data
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United States of America Patent
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Jan 27, 2004
Grant Date -
Sep 12, 2002
app pub date -
May 15, 2001
filing date -
Mar 7, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
A system and method for estimating the point of diminishing returns for additional information in data mining processing applications. The present invention provides a convenient method of estimating the extent to which a data mining algorithm captures useful information in raw feature data. First, the input data is processed using a forward transform. A region of overlap Y.sub.o in the forward transformed data is identified and quantified. The region of overlap Y.sub.o is processed with a reverse transform to create an overlap region Z in an original feature space. The degree of overlap in region Z is quantified and compared to a level of overlap in the Y.sub.o region, such that the comparison quantifies the extent to which a data mining algorithm captures useful information in the input data.
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