Metric cards

Each card explains one number at four depths. Read as far as you need. Every view is generated from one spec file, so the plain words and the exact rules stay in step.

1 · The gistWhat it means, how big it is, how much to trust it. 1 minute.
2 · How it's builtOne worked example, then each rule step by step.
3 · Keep in mindCaveats, misreadings and judgment calls.
4 · Reproduce itExact rules, data, code, and where docs and code disagree.
provisional · Shows a link

Home v2 active-days lift

Did users assigned to Home v2 have more active app days after assignment than users assigned to control?

+0.21 days more active days per treatment user
Plausible range +0.05 days to +0.37 days
ExploreLabelMethods
provisional · Points toward a cause, with assumptions

Fast-food jobs after New Jersey's 1992 minimum-wage rise

When New Jersey raised its minimum wage in April 1992, did fast-food restaurants there cut jobs compared with similar restaurants just across the border in Pennsylvania, where the wage did not change?

+2.75 more full-time-equivalent workers per New Jersey restaurant than the Pennsylvania trend predicts
Plausible range +0.09 to +5.42
ExploreLabelMethods
provisional · Points toward a cause, with assumptions

Weight gain from quitting smoking

If every smoker in this study had quit, how much more weight would they have gained over about ten years than if none had quit?

+3.44 kg more weight gain from quitting, averaged over everyone in the study
Plausible range +2.41 to +4.47
ExploreLabelMethods