National Kriging Exposure Estimation: Liao et al. Respond

Szpiro et al. suggest that our findings Liao et al. (2006) do not adequately support using national-scale, log-normal ordinary kriging to estimate daily mean concentrations of PM sub(10) (paniculate matter with aerodynamic diameter < 10 mu m) at unmonitored locations in the contiguous United Stat...

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Bibliographic Details
Published in:	Environmental health perspectives Vol. 115; no. 7; pp. A338 - A339
Main Authors:	Liao, Duanping, Peuquet, Donna J., Lin, Hung-Mo, Duan, Yinkang, Whitsel, Eric A., Smith, Richard L., Heiss, Gerardo
Format:	Journal Article
Language:	English
Published:	National Institute of Environmental Health Sciences. National Institutes of Health. Department of Health, Education and Welfare 01-07-2007 National Institute of Environmental Health Sciences
Subjects:	Air pollution Correspondence Interpolation Kriging Parametric models North Carolina
Online Access:	Get full text
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Summary:	Szpiro et al. suggest that our findings Liao et al. (2006) do not adequately support using national-scale, log-normal ordinary kriging to estimate daily mean concentrations of PM sub(10) (paniculate matter with aerodynamic diameter < 10 mu m) at unmonitored locations in the contiguous United States. They posit that the absence of the cross-validation SE prevents evaluating the validity of kriging estimation, as we implemented in this context, and the comparability of both regional-versus national-scale kriging and manually modified versus semiautomated, default-calculated semivariograms.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 The authors declare they have no competing financial interests.
ISSN:	0091-6765 1552-9924
DOI:	10.1289/ehp.10205R