Correct datatype for multi-output forests

[fipelle]

Hi,

I am trying to replicate this in Julia. What is the correct datatype for y? Would Vector{Vector{Float64}} work as intended?

[cstjean]

Give it a try. That Python code looks like a matrix to me, so I'd try Matrix{Float64}.

[fipelle]

Thanks, do you know if it is possible to pass a custom loss function / split criterion? I would like to weight the targets if possible.

[cstjean]

I think it should work just like in Python, and you can pass an arbitrary Julia function. Give it a try and post the error message.