Vote similarity is a measure comparing voting history between amongst all legislators. All information presented is the result of collecting data from the website for California Legislative Information, and combining it with our own data analysis. For example, taking an n x n (per legislative session and chamber) question, and applying it to the 120 California legislators, during the 71st California Assembly session we will generate 8,000 data points. As we compare each legislator we exclude votes where either of the two legislators being compared were absent or excused, this is to only base our results on actual opinions expressed.

In addition to this interactive vote similarity tool, the complete vote similarity feature is located within Statehill directly on legislator pages. By default the top three most similar legislators are displayed—the complete list of legislators relative to a particular person is also available. For any questions, comments, or to learn more about how Statehill tools and data can add value to your legislative operation, get in touch at kjb@statehill.com.