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From Sean Owen <sro...@gmail.com>
Subject Re: Evaluation - score vs precision
Date Wed, 28 Mar 2012 17:00:42 GMT
There is not necessarily a relation, but, a "good" recommender ought to be
good at predicting ratings, and ought to return good recommendations. So
yes you would generally expect a low error when you get a high precision,
but there is not a direct connection.

On Wed, Mar 28, 2012 at 5:52 PM, ziad kamel <ziad.kamel25@gmail.com> wrote:

> In evaluation , is there a relation between score and precision ?
>  double score = evaluator.evaluate(recommenderBuilder, null, model, 0.95,
> 0.5);
>
> For example, when we get low score will that mean we will get high
> precision ?
>

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