Deadline for Detailed DHC-A Proof of Concept Comments is March 2; Meet Dr. Sallie Ann Keller, the Census Bureau's new Chief Scientist

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Deadline for Detailed DHC-A Proof of Concept Comments is March 2

February 22, 2023

Comments on Detailed DHC-A Proof of Concept Due March 2

Please note that the deadline for comments on the Detailed DHC-A Proof of Concept is Thursday, March 2. Your feedback will be instrumental in making final improvements to the 2020 Census Detailed Demographic and Housing Characteristics File A (Detailed DHC-A).  

We would like to hear from you about how your work will be positively, negatively, or not impacted if we release the final product using the current specifications in the Proof of Concept. Please provide the level of geography, description of the use case(s), and implications should the data be released as reflected in the Proof of Concept.  

Please send comments to 2020DAS@census.gov with the subject “2020 Census Detailed DHC-A.” 

If you do not want us to publish your feedback in a future comments summary or if you want us to remove your identifying information, please indicate that in the email. 

Key Documents: 

Release-day newsletter 

Proof of Concept and related documents  

January 31 webinar (video, transcript, slides) 

FAQs

Fact Sheet: How Adaptive Design Works (Proof of Concept)

Graphical timeline, Detailed DHC-A Development 

Video: Meet Dr. Sallie Ann Keller, the Census Bureau’s New Chief Scientist

Curious about our vision for the future of statistics?

In this new video, Dr. Sallie Ann Keller describes how new data sources and data science innovations are allowing us to better meet the growing demand for information about our people, places, and economy with data that are more complex, more timely, and more accurate than ever before. 

Dr. Keller is the Census Bureau’s new chief scientist and associate director of research and methodology. Learn more about how we are re-envisioning the nation’s statistical infrastructure in Deputy Director Ron Jarmin’s recent blog, “Changing Small Habits Can Lead to Transformation.”