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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