An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Austin PC, Thomas N, Rubin DB.Austin PC, et al. Among authors: rubin db.Stat Methods Med Res. 2020 Mar;29(3):728-751. doi: 10.1177/0962280218817926. Epub 2018 Dec 20.Stat Methods Med Res. 2020.PMID: 30569832Free PMC article.
Gelman A, Rubin DB.Gelman A, et al. Among authors: rubin db.Stat Methods Med Res. 1996 Dec;5(4):339-55. doi: 10.1177/096228029600500402.Stat Methods Med Res. 1996.PMID: 9004377