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Results tagged with data-mining
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user 247599
Data mining uses methods from artificial intelligence in a database context to discover previously unknown patterns. As such, the methods are usually unsupervised. It is closely related but not identical to machine learning. Key tasks of data-mining are cluster analysis, outlier detection and mining of association rules.
6
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Information Gain vs Gain Ratio
If two attributes with different number of possible values (categories), have the same Enthropy, Info Gain cannot differentiate them (Decision tree algorithm will select one of them randomly). In the …
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