Also the evaluation could be done per user, and thus manually running
multiple times per each user. Or simple defining a matrix with relevant
items per each user..
On Jul 21, 2011 4:18 PM, "Marko Ciric" wrote:
> Yes, there should exist an evaluation that allows you to pass which items
> are releva
Yes, there should exist an evaluation that allows you to pass which items
are relevant. On the other hand, generally speaking, I am also trying to
evaluate with having relevant items all chosen randomly. Maybe both
implementations should exist.
On 21 July 2011 15:59, Sean Owen wrote:
> You mean,
You mean, have the user specify all items that are considered relevant? yes
that could be useful. Do you have a patch in mind?
Your analysis is correct, and I would not call it a bug. It's a symptom of
how little information the evaluation has to work with here without ratings.
It has to pick rand
Hi guys,
I wonder if Mahout should have a "precision and recall" evaluator that
calculates the relevant items data set without looking to the relevance
threshold. This would be suitable for data sets with boolean preference
nature. In addition, the relevant items can be removed from the training
d
