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Article: Corrected score estimation via complex variable simulation extrapolation.(Statistical Data Included)
- Article from:
- Journal of the American Statistical Association
- Article date:
- June 1, 2002
- Author:
CopyrightCOPYRIGHT 2002 American Statistical Association. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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1. INTRODUCTION
A common problem complicating the statistical analysis of data is the inability to directly measure or accurately measure important variables. This is often the case in epidemiological studies in which important risk factors are not accurately determined. For example, a person's blood pressure varies significantly over time, and thus a single reading is not an accurate measurement of their long-term average blood pressure (Palca 1990(a), 1990(b); McMahon et al. 1990). Similar problems arise in the determination of environmental risk factors. For example, the quality of particulate matter measurements is frequently cited in the debate about the ...