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Delete-2 and delete-3 jackknife procedures for unmasking in regression

Martin, Michael; Roberts, Steven; Zheng, Letian


Single-case deletion regression diagnostics have been used widely to discover unusual data points, but such approaches can fail in the presence of multiple unusual data points and as a result of masking. We propose a new approach to the use of single-case deletion diagnostics that involves applying these diagnostics to delete-2 and delete-3 jackknife replicates of the data, and considering the percentage of times among these replicates that points are flagged as unusual as an indicator of their...[Show more]

CollectionsANU Research Publications
Date published: 2010
Type: Journal article
Source: Australian and New Zealand Journal of Statistics
DOI: 10.1111/j.1467-842X.2009.00565.x


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