.@WhiteHouse poverty op-ed. That's not "big data". It's longitudinal data—being defunded kind. http://www.nytimes.com/2015/05/11/opinion/smart-social-programs.html …pic.twitter.com/gAVDT0RD9s
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@zeynep @barrywellman @WhiteHouse: But agree with Zeynep that cross-sectional big data can tell you only some things, not others.
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