Every day this list is reviewed and every evening analysts send a subset of data to the FBI's Terrorist Screening Center (TSC) for use in a watch-list.
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Admittedly, the ADP report comes from a much smaller subset of data derived 500, 000 business employing over 21 million workers, while the government statistics aim to encompass the entire workforce.
To achieve this, the company needed to run complex data mining models on a large volume of data, which took at least three weeks of processing time, even with a subset of the 2.8-petabyte data set.
Some app designers, like game developer Zynga, have signed up millions of users despite the opt-in requirement, but many operators end up with data describing only a small subset of their users.
This data, however, came from a subset of just under 1, 600 participants, so they are merely estimates that may not have been borne out in the full study population.
Indeed, many analysts expected Medicare officials to mine the trial data and approve payment only for a smaller subset of patients deemed by bureaucrats as most likely to be helped by the gadgets.
It is derived using aggregate and anonymous online employment data for approximately 170, 000 small business employers, a subset of the more than 1 million businesses using Intuit Payroll.
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You may need him or her later on if the other side challenges how you got from Point A (tons of collected electronic data) to Point B (production of a much smaller subset).
For those that never heard of this report, it measures the change in employment at firms with fewer than 20 employees and is derived using employment data for approximately 170, 000 small business employers, a subset of the more than 1 million businesses using Intuit Payroll.
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And again, this data will not be drawn from any sort of representative sample of global humanity, but from a narrow subset about which we already know a lot.
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