no code implementations • 7 Jul 2020 • Alexander T. M. Fisch, Idris A. Eckley, P. Fearnhead
In this paper, we propose CE-BASS, a particle mixture Kalman filter which is robust to both innovative and additive outliers, and able to fully capture multi-modality in the distribution of the hidden state.
no code implementations • 4 Sep 2019 • Alexander T. M. Fisch, Idris A. Eckley, Paul Fearnhead
In recent years, there has been a growing interest in identifying anomalous structure within multivariate data streams.
1 code implementation • 5 Jun 2018 • Alexander T. M. Fisch, Idris A. Eckley, Paul Fearnhead
Theoretical results establish the consistency of CAPA at detecting collective anomalies and, as a by-product, the consistency of a popular penalised cost based change in mean and variance detection method.