Schneider, T. (2007) Comment on "Spatio-temporal filling of missing points in geophysical data sets" by D. Kondrashov and M. Ghil, Nonlin. Processes Geophys., 13, 151–159, 2006. Nonlinear Processes in Geophysics, 14 (1). pp. 1-2. ISSN 1023-5809. http://resolver.caltech.edu/CaltechAUTHORS:SCHNnpg07
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Abstract
Kondrashov and Ghil (2006) (KG hereafter) describe a method for imputing missing values in incomplete datasets that can exploit both spatial and temporal covariability to estimate missing values from available values. Temporal covariability has not been exploited as widely as spatial covariability in imputing missing values in geophysical datasets, but, as KG show, doing so can improve estimates of missing values. However, there are several inaccuracies in KG’s paper. Since similar inaccuracies have surfaced in other recent papers, for example, in the literature on paleo-climate reconstructions, I would like to point them out here.
| Item Type: | Article | ||||
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| Additional Information: | © Author(s) 2007. This work is licensed under a Creative Commons License. Published by Copernicus GmbH on behalf of the European Geosciences Union and the American Geophysical Union. Received: 10 July 2006 – Revised: 1 October 2006 – Accepted: 22 December 2006 – Published: 15 January 2007. See also: original article -- "Spatio-temporal filling of missing points in geophysical data sets" by D. Kondrashov and M. Ghil, Nonlin. Processes Geophys., 13, 151–159, 2006. authors' reply to comment: Reply to T. Schneider's comment on "Spatio-temporal filling of missing points in geophysical data sets", Nonlin. Processes Geophys., 14, 3-4, 2007. | ||||
| Issue or Number: | 1 | ||||
| Record Number: | CaltechAUTHORS:SCHNnpg07 | ||||
| Persistent URL: | http://resolver.caltech.edu/CaltechAUTHORS:SCHNnpg07 | ||||
| Alternative URL: | http://www.nonlin-processes-geophys.net/14/1/2007/npg-14-1-2007.html | ||||
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| ID Code: | 7323 | ||||
| Collection: | CaltechAUTHORS | ||||
| Deposited By: | Archive Administrator | ||||
| Deposited On: | 31 Jan 2007 | ||||
| Last Modified: | 18 Mar 2015 22:05 |
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