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Old 05-27-2013, 04:41 PM
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yaser yaser is offline
Caltech
 
Join Date: Aug 2009
Location: Pasadena, California, USA
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Default Re: Data snooping and science

Interesting situation. In this area in particular, the matter is further complicated by the desire of one group to reach one conclusion and of another group to reach the opposite conclusion. The possibility of data snooping creates a suspicion about whether the conclusions are genuine, and contaminates the data for further investigators even if the data would reasonably lead to one conclusion or the other. A remedy, which is to test different hypotheses out of sample on new data, is tricky in this case as the time constants involved may be impracticable.
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