Tips and Documentation

One Location for Geographic Codes

Posted on Updated on

A Cure for the Common Codes is a collection of web pages from the Missouri State Data Center – one page for each state in the U.S. and the District of Columbia – that display common geographic codes pertaining to the state. While all of these codes are somewhat readily available at various locations on the web, we think it will be very convenient to have a 1-stop site where they are all collected in one place and in a consistent, compact format.

Go there now: http://mcdc2.missouri.edu/webrepts/commoncodes/

Spreadsheet to Calculate ACS Margins of Error and Statistical Significance for Sums, Proportions and Ratios

Posted on Updated on

This calculator, updated 2/23/2009,  from the New York Data Center allows users to produce the margins of error for the ACS when combining counts or proportions for a number of geographic areas. It also allows users to test significant differences between two estimates.