Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Example of data cleansing (applied to information of fictitious persons). Specifically, cleansing process includes correcting misspelling, filling missing entry, standardizing date-of-birth (DOB) format, correcting contradicting age information, and merging two data sources. ACC = Accession.
