Presents a distribution-free multilevel vector field anomaly detection technique based on Karhunen-Loeve expansions that forms hypothesis tests without distributional assumptions and detects subtle anomalies missed by PCA in simulations.
Identifying human mobility patterns in the rio de janeiro metropolitan area using call detail records
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Distribution-Free Stochastic Analysis and Robust Multilevel Vector Field Anomaly Detection
Presents a distribution-free multilevel vector field anomaly detection technique based on Karhunen-Loeve expansions that forms hypothesis tests without distributional assumptions and detects subtle anomalies missed by PCA in simulations.