| http://www.w3.org/ns/prov#value | - The failure of Google Flu Trends, in his view, emphasizes the perils of unmoored empiricism.???A theory-free analysis of mere correlations is inevitably fragile,??? Harford writes. ???If you have no idea what is behind a correlation, you have no idea what might cause that correlation to break down.???He???s right, of course ??? but I suspect that outside of a few areas such as physics, our underst
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