The early data used are drawn from historical data sets, he said, and various assumptions have to be made. (psmag.com)
This makes sense — participants have had time to understand the companies and have a robust historical data set on how they get priced over time. (valuewalk.com)
We pioneered the use of betting percentage data from online sports books to bet against the public and our massive historical data sets supports the claim that fading the public is profitable. (sportsinsights.com)