Re: Mahout 0.8 Random Forest Accuracy

2013-10-19 Thread Ted Dunning
Tim, Yes, RF's are ensemble learners, but that doesn't mean that you couldn't wrap them up with other classifiers to have a higher level ensemble. On Sat, Oct 19, 2013 at 6:48 AM, Tim Peut t...@timpeut.com wrote: Thanks for the info and suggestions everyone. On 19 October 2013 01:00, Ted

Re: Mahout 0.8 Random Forest Accuracy

2013-10-18 Thread Ted Dunning
On Fri, Oct 18, 2013 at 7:48 AM, Tim Peut t...@timpeut.com wrote: Has anyone found that Mahout's random forest doesn't perform as well as other implementations? If not, is there any reason why it wouldn't perform as well? This is disappointing, but not entirely surprising. There has been

Re: Mahout 0.8 Random Forest Accuracy

2013-10-18 Thread Ted Dunning
On Fri, Oct 18, 2013 at 3:50 PM, j.barrett Strausser j.barrett.straus...@gmail.com wrote: How difficult would it be to wrap the RF classifier into an ensemble learner? It is callable. Should be relatively easy.

RE: Mahout 0.8 Random Forest Accuracy

2013-10-18 Thread DeBarr, Dave
}, the package will consider in { A, C } versus not in { A, C } as a partition candidate. -Original Message- From: Ted Dunning [mailto:ted.dunn...@gmail.com] Sent: Friday, October 18, 2013 10:42 AM To: user@mahout.apache.org Subject: Re: Mahout 0.8 Random Forest Accuracy On Fri, Oct 18, 2013

Re: Mahout 0.8 Random Forest Accuracy

2013-10-18 Thread Sean Owen
: Re: Mahout 0.8 Random Forest Accuracy On Fri, Oct 18, 2013 at 7:48 AM, Tim Peut t...@timpeut.com wrote: Has anyone found that Mahout's random forest doesn't perform as well as other implementations? If not, is there any reason why it wouldn't perform as well? This is disappointing

Re: Mahout 0.8 Random Forest Accuracy

2013-10-18 Thread Tim Peut
Thanks for the info and suggestions everyone. On 19 October 2013 01:00, Ted Dunning ted.dunn...@gmail.com wrote: On Fri, Oct 18, 2013 at 3:50 PM, j.barrett Strausser j.barrett.straus...@gmail.com wrote: How difficult would it be to wrap the RF classifier into an ensemble