A repository of information describing database attributes. The dictionary contains an identification section to describe record codes, geographic area codes, area characteristics, and special area codes, plus endnotes and a table (matrix) section.
In accordance with federal law governing census reports (Title 13 of the United States Code), no data are published that would disclose the operations of an individual establishment or business. In cases where the data must be withheld, the following symbol appears in place of the data:
Used when the sales and other data must be withheld due to disclosure, but a range for the employment data can be shown. The following symbols are valid:
Used when the sales data must be withheld due to disclosure, but a range for the sales data can be shown. The following symbols are valid:
Used to identify data items with high imputation rate, high relative standard error (RSE), or other data quality concerns. The following symbols are valid:
A technique that marginally adjusts (perturbs) each respondent's data so that data for individual businesses can be camouflaged. This allows for the publication of cells that would otherwise have been suppressed. The following symbols are valid: