Measuring Big Data Sample Sizes

When it comes to Big Data, there are many ways to measure sample size - and it can get complicated. 

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StreetLight Data CEO Laura Schewel breaks down what's real, what's not, and the numbers that matter for transportation professionals who are using Big Data.

Here's what you can expect to find out:

  • What we mean when we say our analytics cover 23% of the adult population.
  • How we determined that there are ~62M devices in our sample.
  • How we manage regional variation in our sample.
  • Why different projects should have different sample rates.
  • How Big Data sample sizes compare to traditional data collection methods.

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