Feature selection for two-class classification systems
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United States of America Patent
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Aug 19, 2008
Grant Date -
Mar 25, 2004
app pub date -
Sep 24, 2002
filing date -
Sep 24, 2002
priority date (Note) -
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Abstract
A two-class analysis system for summarizing features and determining features appropriate to use in training a classifier related to a data mining operation. Exemplary embodiments describe how to select features which will be suited to training a classifier used for a two-class text classification problem. Bi-Normal Separation methods are defined wherein there is a measure of inverse cumulative distribution function of a standard probability distribution and representative of a difference between occurrences of the feature between said each class. In addition to training a classifier, the system provides a means of summarizing differences between classes.
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