Question

How to choose optimal no of trees in random forest?

Answer 1

Trees are useful to use in many ways. They are provide us oxygen, purify air, contribute in water cycle, contribute in climate change, provides us wood, food, make environment cool, gives shade/shelter, gives us medicine, protect wildlife etc. we cant explain how useful is tree in our life... Sooo SAVE TREES!.

Answer 2

Answer:

number of trees (more complex, but less CPU-consuming). They suggest that a random forest should have a number of trees between 64 - 128 trees. With that, you should have a good balance between ROC AUC and processing time.