False positives

Infosphere's Quality Product

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phanikumar
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Posts: 60
Joined: Tue Sep 20, 2011 10:44 pm
Location: INDIA

False positives

Post by phanikumar »

Hi,

Can some one explain what are false positives and false negatives in quality stage.

Regards

Kumar
stuartjvnorton
Participant
Posts: 527
Joined: Thu Apr 19, 2007 1:25 am
Location: Melbourne

Post by stuartjvnorton »

A false positive is where 2 records shouldn't really be classified as a match, but get a high enough score to get past the match cutoff.
A false negative is the opposite: 2 records should match, but don't score highly enough.

Reducing or eliminating them is about setting your cutoffs well and finding ways to get the ones that should match to get a higher score, and reduce the score for the ones that shouldn't.
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