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anomaly detection (technique used in detection (Proximity based relation…

- - - - Dimension engineering
        
        PCA-based method (hard PCA)
        
        Mahalanobis Method (soft PCA)
        Strenghth: utlize inter-attribute correlation and extreme value analysis, which make it able to detect dependecy outlier and extreme value outlier simultaneously.
        
        Replicator Neural network
        Autoencoder
        
        Anomaly Detection using Replicator Neural
        Networks Trained on Examples of One Class
        
        Outlier Detection using Replicator
        Neural Networks
      - Orginal dimension
        
        regression/classification model
        
        ALSO
        FRaC
        LoPOD
        
        time-series outlier detection
        
        Bayesian Network :red_flag:
        
        estimate the posterior probability/ joint probatility
        (supervised, semi-supervised)
        
        using local structure
        
        making prediction
        COMBN
        
        feature selection
        LoPOD
        
        Neural Network
  - - - kNN method
    - - LOF
    - - ABOD
  - - - dependency is used to determine subspace :check:
        
        HiCS
        MBOM (MB as subspace)
      - dependency is not involved in determining subspace
        
        iForest (random)