I prefer the one where the national debt increases more under "fiscally responsible" republicans.
More correlation: more jobs are created and inflation is lower under democratic administrations.
GDP is also better with a Dem president, but it partially depends on the makeup of congress.
https://en.wikipedia.org/wiki/U.S._economic_performance_by_p...
https://www.snopes.com/fact-check/deficit-us-presidents-sinc...