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A Spatial Approach to Mitigate
Measurement
Error from Undercoverage
Estimates
Michael Tzen May 17, 2014
Outline
Motivation: Survey Inference and Representation
Model: Spatial Generalized Linear Mixed Model
Results: Smoothed Rates of Omissions
Conclusion
Non-Sampling Error in Surveys:
Self Similarity
Measurement Error in Coverage:
Self Similarity
𝑂𝑚𝑖𝑠𝑠𝑖𝑜𝑛 ≔ 𝑀𝐴𝐹2011 − (𝑀𝐴𝐹2008 + 𝑁𝑒𝑤𝐺𝑟𝑜𝑤𝑡ℎ𝐷𝑆𝐹) Geographical Pattern: South East North
Model: Improve on Observed
Counts
Neighbor = Binary + Queen + Immediate
BYM Model: Besag, York, Mollie (1991)
Results: Improved Maps
Naïve: Fixed Effects Only BYM: Fixed + Random Effects
Raw SMR
Results: Improved Rankings
Census 2010: $13,000,000,000
Operational Goals: Prioritize Tracts after adjusting for substantive and geographic information
Delivery Sequence File: -3.80 Ruralness: +0.60 Renter Tenure: -5.71 (more Variation)
Results: Improved Risk Factors
Conclusion
Thank You