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The aim of this paper is to derive local influence curvatures under various perturbation schemes for elliptical linear models with longitudinal structure. The elliptical class provides a useful generalization of the normal model since it covers both light-and heavy-tailed distributions for the errors, such as Student-t, power exponential, contaminated(More)
The Grubbs' measurement model is frequently used to comparing several measuring devices. It is common to assume that the random terms have a normal distribution. However, such assumption makes the inference vulnerable to outlying observations whereas scale mixtures of normal distributions have been an interesting alternative to produce robust estimates(More)
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