Mobility Analytics Blog

StreetLight Data Blog

The latest news about Big Data and mobility analytics.

Laura Schewel and Joanathan Lim

Blog Feature

Big Data  |  Mobile  |  Transportation

Exploring Sample Size with a Daily Trip Sample Ratio for Commercial Vehicles in California

Sample size is not a simple concept when it comes to Massive Mobile Data Analytics - see our prior blog post for some examples. In this post, we're analyzing our commercial vehicle data’s sample size in California based on a Daily Trip Sample Ratio. The results are that our archival data captures ~11.8% of commercial vehicle trips that took place in California in 2015.

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Blog Feature

Big Data  |  Mobile  |  Transportation

Sample Size in Massive Mobile Data Analytics: Not a Simple Concept!

In the transportation industry, we love to debate the optimal sample size for data collection. But this deceptively simple concept can be tricky.

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