Detecting Anomalies in Data

An implementation of CAPA (Collective And Point Anomaly) for the detection of anomalies in time series data. The package also contains Kepler lightcurve data and shows how CAPA can be applied to detect exoplanets.


Fast anomaly detection in R

In Brief

This R package implements CAPA (Collective And Point Anomalies) introduced by Fisch, Eckley and Fearnhead (2018). The package is available on CRAN and contains lightcurve data from the Kepler telescope to illustrate the algorithm.

About CAPA

CAPA detects and distinguishes between collective and point anomalies. The algorithm's runtime scales linearly at best and quadratically at worst in the number of datapoints. It is coded in C and can process 10000 datapoints almost instantly.

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Reference manual

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install.packages("anomaly")

1.1.0 by Daniel Grose, 6 months ago


Browse source code at https://github.com/cran/anomaly


Authors: Alex Fisch [aut] , Daniel Grose [ctb, cre] , Idris Eckley [ths] , Paul Fearnhead [ths]


Documentation:   PDF Manual  


GPL license


Imports dplyr, rlang, Rdpack, ggplot2


See at CRAN