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Sujith Viswanathan
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Sujith Viswanathan's Discussions

Handling unseen test values?

Started this discussion. Last reply by Ismael Jul 5. 1 Reply

I am solving a multi label multi class classification problem using random forest algorithm with the help of binary relevance method, I am using label encoder to convert categorical values.I would…Continue

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Ismael replied to Sujith Viswanathan's discussion Handling unseen test values?
"Many libraries handle such unseen value like if it was a NaN i.e. the unseen value will take the same branch in the tree than the NaN. This indeed needs to be avoided as much as possible because unseen values do not bring any information and can…"
Jul 5
Sujith Viswanathan posted a discussion

Handling unseen test values?

I am solving a multi label multi class classification problem using random forest algorithm with the help of binary relevance method, I am using label encoder to convert categorical values.I would like to know how to handle, if an unseen value which was not present in the training set has appeared in the test set ???See More
Jul 4

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Completed M.Tech in Computational Engineering and Networking
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