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Lamden's user avatar
Lamden's user avatar
Lamden
  • Member for 4 years, 1 month
  • Last seen more than 3 years ago
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Random forest: how to handle new factor levels in test set?
Correct. It would only be useful if those extra rows are irrelevant to the data you are analyzing, and are just getting in the way. (That was actually how this got developed)
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Predictive model to maximize sum of dependent variable?
I had already sent a potential answerer a link to this site via twitter , and if this one is migrated, he may not find it.
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