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Abstract Details

Activity Number: 603
Type: Topic Contributed
Date/Time: Thursday, August 2, 2012 : 8:30 AM to 10:20 AM
Sponsor: Section on Government Statistics
Abstract - #305153
Title: Estimating the Number of U.S. Farms with Adjustment for Misclassification
Author(s): Denise A Abreu*+ and Kenneth K Lopiano and Samuel C Garber and Andrea C Lamas and Linda J Young
Companies: USDA/National Agricultural Statistics Service and University of Florida and National Agricultural Statistics Service and National Agricultural Statistics Service and University of Florida
Address: 3251 Old Lee Hwy, Fairfax, VA, 22030, United States
Keywords: Misclassification Errors ; Area Frame ; List Frame ; Record Linkage ; logistic Regression

Five years ago, the National Agricultural Statistics Service (NASS) began a research effort to address an undercount in the estimate of the U.S. number of farms derived from its annual June Area Survey (JAS). Misclassification of farm status was found to be a major cause of the undercount. NASS has evaluated a host of measures and methods to assess, quantify, and account for this misclassification. The approach derived from this process-employs record linkage techniques, logistic regression, and NASS's annual list sampling frame. The methods developed and the subsequent results are presented here.

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