A Guidebook for Using American Community Survey Data for Transportation Planning (2007) / Chapter Skim
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. Beginning with this decade, the Census Bureau's American Community Survey (ACS)
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For most analyses, data users will need to rely on estimates derived from accumulating ACS data across years. ACS annual estimates will be released for areas 2 A Guidebook for Using American Community Survey Data for Transportation Planning
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However, for the ACS, with its lower sample sizes, the Census Bureau is instructing and enabling users to account for the inherent sampling error in their analyses. The Census Bureau ACS data tables include 90 percent confidence intervals for all estimates so that users can readily see the relative level of uncertainty in the estimates.
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There is discussion of the comparison of ACS estimates to Census 2000 results, and finally, discussion of effective ways that analysts can take advantage of having more frequent estimates of census variables. Sections 5 through 9 provide case study examples of potential transportation planning analyses using ACS data.
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, which includes a number of documents that summarize ACS for media data users. In addition to the Census Bureau overviews, other researchers and data users have assembled many good descriptions of ACS that are suitable for interested new potential users.
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