Description Details Author(s) References See Also Examples

Given the parameters of a distribution, the package uses the concept of *α*-outliers by Davies and Gather (1993) to flag outliers in a data set.

The structure of the package is as follows: `aout.[Distribution]`

is the name of the function which returns the *α*-outlier region of a random variable following `[Distribution]`

. The names of the distributions are abbreviated as in the `d, p, q, r`

functions. Use pre-specified or robustly estimated parameters from your data to obtain reasonable results. The sample size should be taken into account when choosing `alpha`

, for example Gather et al. (2003) propose *α_N = 1 - (1 - α)^{1/N}*.

A. Rehage, S. Kuhnt

Davies, L.; Gather, U. (1993) The identification of multiple outliers, *Journal of the American Statistical Association*, **88** 423, 782-792.

Gather, U.; Kuhnt, S.; Pawlitschko, J. (2003) Concepts of outlyingness for various data structures. In J. C. Misra (Ed.): *Industrial Mathematics and Statistics*. New Delhi: Narosa Publishing House, 545-585.

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