Census Releases Updated Demonstration Data Products

The Census Bureau has released a new set of demonstration data products that show how its new disclosure avoidance strategy (DAS) will impact the quality of its 2020 Census data products (see previous coverage). The Census Bureau is releasing a set of benchmark metrics to track the impact of the ongoing development and improvements to its privacy-protecting algorithm on data accuracy. These metrics will be updated every six weeks so data users can track the ongoing improvements Bureau staff are making to the algorithm. In addition, the Census Bureau has released a set of privacy-protected microdata files (PPMF) to allow users to assess the impact of the disclosure avoidance strategy for their own specific use cases. The Bureau notes that “while the data in the PPMFs look like individual records, all of the data are privacy-protected. The microdata records generated by the DAS ensure respondent privacy through the application of differentially private statistical noise. The microdata included in the PPMF do not include any actual census responses.”

Data users can submit feedback or questions to the Census Bureau by emailing 2020DAS@census.gov. More information about the new data products is available on the Census Bureau website.

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Posted in Issue 14 (July 7), Update, Volume 39 (2020)

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