Re: Scores from HitCollector

2007-03-29 Thread Chris Hostetter
: Can anyone say why this is useful and what's wrong about raw scores? in my opinion: it's not useful at all, and there is nothing wrong with raw scores, but some people like having scores that are bounded in a finite range, so Hits provides that. -Hoss -

Re: Scores from HitCollector

2007-03-29 Thread Antony Bowesman
Erick Erickson wrote: I wound up using a TopDocs instead, which has a getMaxScore that I was able to use to normalize scores to between 0 and 1. In my case I was collapsing the results into quintiles, so I threw them all back into a FieldSortedHitQueue to get them sorted by secondary criteria onc

Re: Scores from HitCollector

2007-03-29 Thread Erick Erickson
I wound up using a TopDocs instead, which has a getMaxScore that I was able to use to normalize scores to between 0 and 1. In my case I was collapsing the results into quintiles, so I threw them all back into a FieldSortedHitQueue to get them sorted by secondary criteria once the scores were all o

Scores from HitCollector

2007-03-29 Thread Antony Bowesman
Hits will normalise scores >0<=1, but I'm using HitCollector and haven't worked out how to normalise those scores. From what I can see, the scores are just multiplied by a factor to bring the top score down to 1. Is this right or is there something more to it. Do I need to normalise scores a