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From Lance Norskog <>
Subject Re: Standard way of getting precision for specific users?
Date Wed, 17 Nov 2010 06:51:53 GMT
You mean, do you want to get how confident the recommender is about the 
quality of its recommendations?
Or an external analysis of the quality?

I've wrestled with the problem, but don't have any good suggestions.

Steven Bourke wrote:
> Just a little more information :-) When I ask about getting precision, I
> mean is there a function I can call in mahout to calculate the score for an
> individual user without implementing my own code.
> On Wed, Nov 17, 2010 at 12:18 AM, Steven Bourke<>  wrote:
>> Hi - I'd like to get the precision for a group of users in my dataset. Is
>> there a standard way of doing this ? I've looked at the IRStatsEvaluator and
>> cannot see anything.

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