HomeMy WebLinkAbout063023 FW_ Just Released_ Noisy Measurement File for the 2010 DHC Demonstration Data
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From: U.S. Census Bureau
Sent: Friday, June 30, 2023 8:16:08 AM (UTC-08:00) Pacific Time (US & Canada)
To: Heidi Eisenhour
Subject: Just Released: Noisy Measurement File for the 2010 DHC Demonstration Data
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ALERT: BE CAUTIOUS This email originated outside the organization. Do not open attachments or click on links if you are not expecting them.
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The Census Bureau released the noisy measurement file for the 2010 Census Production Settings Demographic and Housing Characteristics File.
<https://lnks.gd/l/eyJhbGciOiJIUzI1NiJ9.eyJidWxsZXRpbl9saW5rX2lkIjoxMDAsInVyaSI6ImJwMjpjbGljayIsInVybCI6Imh0dHBzOi8vd3d3LmNlbnN1cy5nb3YvcHJvZ3JhbXMtc3VydmV5cy9kZWNlbm5pYWwtY2Vuc3VzL2RlY2FkZS8yMDIwL
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<https://lnks.gd/l/eyJhbGciOiJIUzI1NiJ9.eyJidWxsZXRpbl9saW5rX2lkIjoxMDEsInVyaSI6ImJwMjpjbGljayIsInVybCI6Imh0dHBzOi8vd3d3LmNlbnN1cy5nb3YvcHJvZ3JhbXMtc3VydmV5cy9kZWNlbm5pYWwtY2Vuc3VzL2RlY2FkZS8yMDIwL3
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Just Released: Noisy Measurement File for the 2010 DHC Demonstration Data
June 30, 2023: The U.S. Census Bureau today released the noisy measurement file <https://lnks.gd/l/eyJhbGciOiJIUzI1NiJ9.eyJidWxsZXRpbl9saW5rX2lkIjoxMDIsInVyaSI6ImJwMjpjbGljayIsInVybCI6Imh0dHBzOi8vd3d
3Mi5jZW5zdXMuZ292L3Byb2dyYW1zLXN1cnZleXMvZGVjZW5uaWFsLzIwMjAvcHJvZ3JhbS1tYW5hZ2VtZW50L2RhdGEtcHJvZHVjdC1wbGFubmluZy8yMDEwLWRlbW9uc3RyYXRpb24tZGF0YS1wcm9kdWN0cy8wNC1EZW1vbnN0cmF0aW9uX0RhdGFfUHJvZHVjdH
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2lkIjoiMjAyMzA2MzAuNzkwNDIyMjEifQ.Bjp1mIoRZ7uaK8FIoTpYQ2Hld47kp_Dqh0ExZW1KGhY/s/1519389142/br/213842672804-l> (NMF) for the 2010 Census Production Settings Demographic and Housing Characteristics
File (DHC).
This is the second set of demonstration noisy measurement files that apply the production settings that were used for the 2020 Census data to the 2010 Census data.
We released <https://lnks.gd/l/eyJhbGciOiJIUzI1NiJ9.eyJidWxsZXRpbl9saW5rX2lkIjoxMDMsInVyaSI6ImJwMjpjbGljayIsInVybCI6Imh0dHBzOi8vd3d3Mi5jZW5zdXMuZ292L3Byb2dyYW1zLXN1cnZleXMvZGVjZW5uaWFsLzIwMjAvcHJvZ3J
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QtRmlsZXMucGRmP3V0bV9jYW1wYWlnbj0yMDIzMDYzMG1zZGVjczFjY2R0YXJzJnV0bV9tZWRpdW09ZW1haWwmdXRtX3NvdXJjZT1nb3ZkZWxpdmVyeSIsImJ1bGxldGluX2lkIjoiMjAyMzA2MzAuNzkwNDIyMjEifQ.UPGpwb4i9G9KbD8ub00m0yWgcYJTQBNw8x
FWLl_elGA/s/1519389142/br/213842672804-l> the 2010 Census Production Settings Redistricting Data (P.L. 94-171) Demonstration NMF on April 3. On June 15 we released the NMF for the 2020
Census redistricting data <https://lnks.gd/l/eyJhbGciOiJIUzI1NiJ9.eyJidWxsZXRpbl9saW5rX2lkIjoxMDQsInVyaSI6ImJwMjpjbGljayIsInVybCI6Imh0dHBzOi8vd3d3Mi5jZW5zdXMuZ292L3Byb2dyYW1zLXN1cnZleXMvZGVjZW5uaWFs
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tX2NhbXBhaWduPTIwMjMwNjMwbXNkZWNzMWNjZHRhcnMmdXRtX21lZGl1bT1lbWFpbCZ1dG1fc291cmNlPWdvdmRlbGl2ZXJ5IiwiYnVsbGV0aW5faWQiOiIyMDIzMDYzMC43OTA0MjIyMSJ9.TU7-JDUKOF2UpZmzRmEvOiWniEHcvidDE8U2N-uOELk/s/1519389
142/br/213842672804-l> as a research data product, and we’ll release the corresponding NMF for the 2020 Census DHC later this fall.
There are approximately 25 trillion numbers associated with the combined redistricting data and DHC noisy measurement files, consuming 33 terabytes of space in a compressed format. Given
their large size, the files are housed and accessible via off-site locations.
The noisy measurement files are an intermediate output of the Disclosure Avoidance System’s TopDown Algorithm (TDA). The TDA generates noisy measurements when it applies differentially
private noise to each of the tabulations from the confidential data. Because the noise can result in internal and hierarchical inconsistencies within the tables we publish, the TDA
completes a final step called “post-processing.” This post-processing improves accuracy for lower-level geographies and corrects those inconsistencies before the tables or Privacy-Protected
Microdata Files (PPMFs) are published.
This public release gives researchers and data scientists the opportunity to independently process the files, complete analysis, and conduct valuable assessments of the confidentiality
protections.
Today's Links:
* 2010 Census Demonstration Data Noisy Measurement Files <https://lnks.gd/l/eyJhbGciOiJIUzI1NiJ9.eyJidWxsZXRpbl9saW5rX2lkIjoxMDUsInVyaSI6ImJwMjpjbGljayIsInVybCI6Imh0dHBzOi8vd3d3Mi5jZW5zdXMuZ292L3Byb2
dyYW1zLXN1cnZleXMvZGVjZW5uaWFsLzIwMjAvcHJvZ3JhbS1tYW5hZ2VtZW50L2RhdGEtcHJvZHVjdC1wbGFubmluZy8yMDEwLWRlbW9uc3RyYXRpb24tZGF0YS1wcm9kdWN0cy8wNC1EZW1vbnN0cmF0aW9uX0RhdGFfUHJvZHVjdHNfU3VpdGUvMjAyMy0wNC0wM
y8yMDIzLTA0LTAzLTIwMTAtTm9pc3ktTWVhc3VyZW1lbnQtRmlsZXMucGRmP3V0bV9jYW1wYWlnbj0yMDIzMDYzMG1zZGVjczFjY2R0YXJzJnV0bV9tZWRpdW09ZW1haWwmdXRtX3NvdXJjZT1nb3ZkZWxpdmVyeSIsImJ1bGxldGluX2lkIjoiMjAyMzA2MzAuNzkw
NDIyMjEifQ.-fVrWnqgJ7gaBkPK422nBHE7SuOiA2jD2Rzw5UwP0YY/s/1519389142/br/213842672804-l>
* 2020 Census Redistricting Noisy Measurement File <https://lnks.gd/l/eyJhbGciOiJIUzI1NiJ9.eyJidWxsZXRpbl9saW5rX2lkIjoxMDYsInVyaSI6ImJwMjpjbGljayIsInVybCI6Imh0dHBzOi8vd3d3Mi5jZW5zdXMuZ292L3Byb2dyYW1z
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pY3RpbmctRGF0YS5wZGY_dXRtX2NhbXBhaWduPTIwMjMwNjMwbXNkZWNzMWNjZHRhcnMmdXRtX21lZGl1bT1lbWFpbCZ1dG1fc291cmNlPWdvdmRlbGl2ZXJ5IiwiYnVsbGV0aW5faWQiOiIyMDIzMDYzMC43OTA0MjIyMSJ9.m4WCfeCII1-Hw2QEDHdoWSV8jpMl0
zTpQ3AMb3MgWdQ/s/1519389142/br/213842672804-l>
* Archived Webinar: 6/15/2023: Working with Noisy Measurement Files for the Redistricting and DHC Data Products <https://lnks.gd/l/eyJhbGciOiJIUzI1NiJ9.eyJidWxsZXRpbl9saW5rX2lkIjoxMDcsInVyaSI6ImJwMjp
jbGljayIsInVybCI6Imh0dHBzOi8vd3d3LmNlbnN1cy5nb3YvZGF0YS9hY2FkZW15L3dlYmluYXJzLzIwMjMvbm9pc3ktbWVhc3VyZW1lbnQtZmlsZXMuaHRtbD91dG1fY2FtcGFpZ249MjAyMzA2MzBtc2RlY3MxY2NkdGFycyZ1dG1fbWVkaXVtPWVtYWlsJnV0bV
9zb3VyY2U9Z292ZGVsaXZlcnkiLCJidWxsZXRpbl9pZCI6IjIwMjMwNjMwLjc5MDQyMjIxIn0.8pDgrG6RyH7uezHbICSJKB-o2gHZyP2ED4kcUPc_jQU/s/1519389142/br/213842672804-l>
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This is an official email from the U.S. Census Bureau. If you have any questions or comments, please contact us (http://www.census.gov/about/contact-us.html <https://lnks.gd/l/eyJhbGciOiJIUzI1NiJ9.ey
JidWxsZXRpbl9saW5rX2lkIjoxMTksInVyaSI6ImJwMjpjbGljayIsInVybCI6Imh0dHA6Ly93d3cuY2Vuc3VzLmdvdi9hYm91dC9jb250YWN0LXVzLmh0bWw_dXRtX2NhbXBhaWduPTIwMjMwNjMwbXNkZWNzMWNjZHRhcnMmdXRtX21lZGl1bT1lbWFpbCZ1dG1fc
291cmNlPWdvdmRlbGl2ZXJ5IiwiYnVsbGV0aW5faWQiOiIyMDIzMDYzMC43OTA0MjIyMSJ9.GwHIClsczVJ66RdKsexhiE0dtZMugLbmWL_Ep-XJYH8/s/1519389142/br/213842672804-l> ).
<https://links.govdelivery.com/track?enid=ZWFzPTEmYnVsbGV0aW5yZWNpcGllbnRpZD0yMTM4NDI2NzI4MDQtbCZzdWJzY3JpYmVyaWQ9MTUxOTM4OTE0MiZtc2lkPSZhdWlkPSZtYWlsaW5naWQ9MjAyMzA2MzAuNzkwNDIyMjEmbWVzc2FnZWlkPU1E
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RtX21lZGl1bT1lbWFpbCZ1dG1fc291cmNlPWdvdmRlbGl2ZXJ5IiwiYnVsbGV0aW5faWQiOiIyMDIzMDYzMC43OTA0MjIyMSJ9.TU7-JDUKOF2UpZmzRmEvOiWniEHcvidDE8U2N-uOELk/s/1519389142/br/213842672804-l> as a research
data product, and we’ll release the corresponding NMF for the 2020 Census DHC later this fall.
There are approximately 25 trillion numbers associated with the combined redistricting data and DHC noisy measurement files, consuming 33 terabytes of space in a compressed format. Given
their large size, the files are housed and accessible via off-site locations.
The noisy measurement files are an intermediate output of the Disclosure Avoidance System’s TopDown Algorithm (TDA). The TDA generates noisy measurements when it applies differentially
private noise to each of the tabulations from the confidential data. Because the noise can result in internal and hierarchical inconsistencies within the tables we publish, the TDA
completes a final step called “post-processing.” This post-processing improves accuracy for lower-level geographies and corrects those inconsistencies before the tables or Privacy-Protected
Microdata Files (PPMFs) are published.
This public release gives researchers and data scientists the opportunity to independently process the files, complete analysis, and conduct valuable assessments of the confidentiality
protections.
Today's Links:
* 2010 Census Demonstration Data Noisy Measurement Files <https://lnks.gd/l/eyJhbGciOiJIUzI1NiJ9.eyJidWxsZXRpbl9saW5rX2lkIjoxMDUsInVyaSI6ImJwMjpjbGljayIsInVybCI6Imh0dHBzOi8vd3d3Mi5jZW5zdXMuZ292L3Byb2
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NDIyMjEifQ.-fVrWnqgJ7gaBkPK422nBHE7SuOiA2jD2Rzw5UwP0YY/s/1519389142/br/213842672804-l>
* 2020 Census Redistricting Noisy Measurement File <https://lnks.gd/l/eyJhbGciOiJIUzI1NiJ9.eyJidWxsZXRpbl9saW5rX2lkIjoxMDYsInVyaSI6ImJwMjpjbGljayIsInVybCI6Imh0dHBzOi8vd3d3Mi5jZW5zdXMuZ292L3Byb2dyYW1z
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zTpQ3AMb3MgWdQ/s/1519389142/br/213842672804-l>
* Archived Webinar: 6/15/2023: Working with Noisy Measurement Files for the Redistricting and DHC Data Products <https://lnks.gd/l/eyJhbGciOiJIUzI1NiJ9.eyJidWxsZXRpbl9saW5rX2lkIjoxMDcsInVyaSI6ImJwMjp
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About Disclosure Avoidance Modernization
The Census Bureau is modernizing the protections that safeguard 2020 Census responses against emerging confidentiality threats. We rely on data user analysis and feedback to help us
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and precision of the census data we publicly release. We encourage you to visit our Disclosure Avoidance Modernization website <https://lnks.gd/l/eyJhbGciOiJIUzI1NiJ9.eyJidWxsZXRpbl9saW5rX2lkIjoxMTA
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