These research reports are intended to make results of Census Bureau research available to others and to encourage discussion on a variety of topics.we offer a number of research reports on topics in statistics and computing.

Beginning August 1, 2001:

• The Research Report Series primarily includes papers which report results from the conduct of systematic, critical, intensive investigation directed toward the development of new or more comprehensive scientific knowledge of the subject studied. The series is subdivided into categories, including: Computing (RRC), and Statistics (RRS).
• The Study Series primarily includes papers which report results from the conduct of systematic, critical, intensive investigation directed toward applying known scientific knowledge to a specific problem. The series is subdivided into categories, including: Computing (SSC), and Statistics (SSS).

Prior to August 1, 2001:

• The Statistical Research Report Series (RR) covers research in statistical methodology and estimation.