sexta-feira, 27 de fevereiro de 2015

Does Balancing Classes Improve Classifier Performance?

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It’s a folk theorem I sometimes hear from colleagues and clients: that you must balance the class prevalence before training a classifier. Certainly, I believe that classification tends to be easier when the classes are nearly balanced, especially when the class you are actually interested in is the rarer one. But I have always been … Continue reading Does Balancing Classes Improve Classifier Performance? Related posts:
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  2. The Geometry of Classifiers
  3. Can a classifier that never says “yes” be useful?


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