Unsupervised Empirical Cumulative-distribution-based Outlier Detection (ECOD) is technique for detecting data outliers that appear in the tails of a distribution.

ECOD is supported in a dedicated module in the PyOD Python package.

Related terms

Outlier Detection
Copula-Based Outlier Detection (COPOD)
Scalable Unsupervised Outlier Detection (SUOD)
PyOD