Re:The Parable of Google Flu: Traps in Big Data Analysis [pdf]
by colin_mccabe on Monday March 24, 2014 @11:07PM
(#7463558)
I just feel like either I am missing something, or there is a lack of rigor here. Clearly, sampling introduces errors and under-reporting introduces errors. What I am looking for is a case (based on data, not hand-waving) that Google's errors are worse than the CDC's, and so far I'm just not seeing it. Maybe I am missing something which is obvious to people in the field.
Edit: I see how the CDC's numbers could be a lower bound, but not upper.
The CDC is unapologetic about their data being estimates - but they're very solid estimates, and match more intensive but smaller scale studies pretty well. But we don't need to capture every single flu case - no surveillance system will ever do that, nor need to.