On a given dataset would time taken to train n - random forest be equal to time taken to train n X Decision tree

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If we run both the models on a single core would the time taken for model to train be equal.
Jul 24, 2018 in Data Analytics by Anmol
• 1,780 points
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1 answer to this question.

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No, the time to train the random forest and n - decision tree won't be same because random forest picks a subset of data or features or even both for each of the sub-tree, sometimes it might create some shallow (smaller) trees as well.

Hence time to train the random forest and decision tree won't be the same.

Further reading on the random forest: https://bit.ly/2u7erIB

answered Jul 24, 2018 by Abhi
• 3,720 points

selected Jul 24, 2018 by Anmol

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