Question

If we do not define number of trees to be built in random forest then how many trees random forest internally creates? Please describe.

Answer 1

Explanation:

I'm using Weka. Its default number of trees to be generated is 10. But I thought it should be a very large number and I put 500 trees. However it performed .

Answer 2

Answer:

Explanation:

Number of variables available for splitting at each tree node. In the random forests literature, this is referred to as the mtry parameter. ... randomForest - For classification models, the default is the square root of the number of predictor variables (rounded down).