Using histograms to introduce randomization in the generation of ensembles of decision trees
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United States of America Patent
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Feb 22, 2005
Grant Date -
Dec 11, 2003
app pub date -
Jun 11, 2002
filing date -
Jun 11, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A system for decision tree ensembles that includes a module to read the data, a module to create a histogram, a module to evaluate a potential split according to some criterion using the histogram, a module to select a split point randomly in an interval around the best split, a module to split the data, and a module to combine multiple decision trees in ensembles. The decision tree method includes the steps of reading the data; creating a histogram; evaluating a potential split according to some criterion using the histogram, selecting a split point randomly in an interval around the best split, splitting the data, and combining multiple decision trees in ensembles.
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