Date-shifting discussion from today's call: I'd like to clarify that the 
strategy in Marshfield is not to round dates, but rather to calculate "age at 
event" to three (or more) decimal places.

We find this advantageous when working with smaller cohorts, such as our 
biobank of 20k individuals. The method retains the sequence/relationship 
between events with-for some use cases-reduced risk of re-identification.

Laurel

From: [email protected] 
[mailto:[email protected]] On Behalf Of Dan Connolly
Sent: Tuesday, March 11, 2014 12:25 PM
To: [email protected]
Subject: [Gpc-dev] minutes gpc-dev 11 March 2014 for review

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Dan

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