AI-DecisionTree
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- The get_result() method is no longer implemented recursively, which
simplifies it and speeds it up.
- Reformatted the documentation and added a TO DO section.
- Documented the nodes() method.
0.01 Sat Jun 8 12:45:03 2002
- original version; created by h2xs 1.21 with options
-XA -n AI::DecisionTree
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t/02-noisy.t view on Meta::CPAN
}
# The following data comes from the "C4.5" software package, in the
# "soybean.data" data file. It is somewhat noisy. I chose it because
# it was a pretty big data set, and because there are published
# results on it that I can compare to. Since the data seemed to be in
# order from most-information to least-information or something in the
# C4.5 distribution, I randomized the order of the instances. Note
# also that I'm treating the '?' value as a normal string value.
# It looks like the original data source is
# (a) Michalski,R.S. Learning by being told and learning from
# examples: an experimental comparison of the two methodes of knowledge
# acquisition in the context of developing an expert system for soybean
# desease diagnoiss", International Journal of Policy Analysis and
# Information Systems, 1980, 4(2), 125-161.
# The "C4.5" package is written by J.R. Quinlan and may be downloaded
# and used for free, but it is not supported and may not be
# redistributed.
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