Diagnostic Displays for Assessing Leverage and Influence in Generalized Linear Models
Author:
- 1 September 1987
- journal article
- Published by Wiley in Australian Journal of Statistics
- Vol. 29 (3) , 233-243
Abstract
Summary: A general technique for assessing leverage and influential observations in Generalized Linear Models is described. The procedure takes the form of Half‐Normal plots with envelopes derived from simulation to enhance overall assessment of the model. This procedure of assessment is more informative and provides additional insight compared with procedures based on the largest sample leverage and influence statistics. Application of the method is illustrated with an example in logistic regression.Keywords
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