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Postcensal Population Estimates For Oregon Counties: An Evaluation Of Selected Methods, Guy Jeffrey Barnes
Postcensal Population Estimates For Oregon Counties: An Evaluation Of Selected Methods, Guy Jeffrey Barnes
Dissertations and Theses
This study evaluates the results of three widely used methods for preparing postcensa estimates of counties. The methods are Census Bureau’s Component Method II, the Ratio Correlation Method and the Bogue-Duncan Composite Method. Hypotheses based upon empirical generalizations from previous comparative studies are tested. Statistical tools used are Average Percent Deviation (without regard to sign) and Standard Deviation of Percent Errors. Directional bias and frequency of extreme error are also examined. Evaluations are conducted of the accuracy of the estimates for groups of counties stratified in terms of density and growth rate dimensions. With few exceptions, Ratio Correlation produces consistently …