Re: [Scikit-learn-general] greetings; more flexibility in trees

2013-06-08 Thread Ken Geis
On Jun 7, 2013, at 11:57 PM, Ken Geis wrote: > On May 23, 2013, at 5:03 AM, Gilles Louppe wrote: >>> So I'd like to contribute a simple MAE criterion that would be efficient >>> for random splits (i.e. O(n) given a single batch update.) Is the direction >>> forward for something like this to h

Re: [Scikit-learn-general] greetings; more flexibility in trees

2013-06-07 Thread Ken Geis
On May 23, 2013, at 5:03 AM, Gilles Louppe wrote: >> So I'd like to contribute a simple MAE criterion that would be efficient for >> random splits (i.e. O(n) given a single batch update.) Is the direction >> forward for something like this to hard-code more criteria in _tree.pyx, or >> would it

Re: [Scikit-learn-general] greetings; more flexibility in trees

2013-05-23 Thread Gilles Louppe
Hi Ken, I share and understand your concerns about the rigidity of the current implementation. > I like using Extremely Randomized Trees, but I'm looking for more flexibility > in generating them. In particular, I'd like to be able to specify my own > criterion and split finding algorithm. I'm

[Scikit-learn-general] greetings; more flexibility in trees

2013-05-22 Thread Ken Geis
Hi. I am fairly new to scikit-learn. I first tried it out for a Kaggle competition a few months ago. I didn't have enough time to put into that, but it gave me an appreciation of the powerful yet simple design of the library. Also, I've used Python on and off for about a decade for small things,