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Appendix A: Glossary and Abbreviations
Pages 69-76

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From page 69...
... type of enumeration area. The 2000 Census Block Canvassing operation and the 2010 Census Address Canvassing operation were both intended to send field staff to every address and street in every block in the designated areas, with the 2010 Address Canvassing operation being the only 2010 operation to utilize handheld computers for data collection (thus acquiring map spot location for addresses whenever possible)
From page 70...
... Area Census Office: In the 2020 Census, a temporary office established to support decennial census field operations, in turn overseen by one of the temporary Regional Census Centers; in the 2010 Census, these offices were known as Local Census Offices. The 2020 Census used a field infrastructure consisting of 248 Area Census Offices divided between 6 Regional Census Centers, generally colocated in the cities containing Census Bureau Regional Offices (Atlanta, Chicago, Los Angeles, New York, and Philadelphia, with the Denver region's Regional Census Center being established in Dallas)
From page 71...
... : Data visualization and analytical software developed by the Census Bureau to permit its staff and subject matter experts to review and correct problems during the post data collection processing stage of the Census (i.e., progressing from Decennial Response File to Census Unedited File to Census Edited File)
From page 72...
... : The intermediary system between the Census Edited File and the final data files used for tabulation of census products that applies techniques to curb the risk of identification of census respondents. For the 2020 Census redistricting data, the 2020 Census Disclosure Avoidance System uses the TopDown Algorithm to take differentially private "noisy measurements" -- crosstabulation cells with a controlled amount of statistical noise added to them -- and convert them into a synthetic Microdata Detail File that is used for tabulation purposes.
From page 73...
... Postal Service Delivery Sequence File and, in the decade preceding the 2020 Census, a major Geographic Support System initiative to obtain address and geographic files from state, local, and tribal governments. Master Address File entries are linked to a specific geographic location (for eventual tabulation purposes)
From page 74...
... Nonresponse Follow-up in the 2020 Census was also the first in which the availability of reliable administrative records data for a household could be used for enumeration in lieu of second and subsequent enumerator visits. NPC: National Processing Center NRFU: Nonresponse Follow-up PES: Postenumeration survey Postenumeration survey (PES)
From page 75...
... Postal Service does not do home delivery or in which there are other possible issues with mail delivery, in which a census enumerator conducts address list update activities in the area and leaves a questionnaire package at each housing unit. Update Leave was not originally planned to be a type of enumeration area in the 2020 Census, as it was in 2010, but it was reinstated in the 2020 Census plan in 2017.


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