The Brennan Center for Justice is joining the attempts to measure quantitatively the “judicial activism” of Supreme Court nominee Sonia Sotomayor, releasing a report Thursday that describes Sotomayor as in the mainstream of judges on the 2nd U.S. Circuit Court of Appeals.

Multiple academic researchers have used data analysis to evaluate the rulings of Supreme Court justices or of judges on circuit courts, as The National Law Journal reported last month. Among the measures they’ve looked at are how often a judge votes to overrule precedent or to strike down laws and executive branch actions.