Contamination (statistics)

Statistical contamination replaces part of an ideal distribution or sample by arbitrary observations.

Table of contents
- Epsilon-contamination neighborhood Contamination (statistics)
  - Huber contamination Epsilon-contamination neighborhood

Epsilon-contamination neighborhood ( $P_{ϵ} (P)$ )

The epsilon-contamination neighborhood of

P

is the class

{(1 - ϵ) P + ϵ Q : Q is a probability distribution}

.

Huber contamination

Huber contamination is the epsilon-contamination model in which an arbitrary distribution contributes an unknown fraction of the observations.

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