...find outliers

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• AI Solver
  • Looking for event based?
    • Bidirectional Long Short-Term Memory (BI-LSTM) with Attention Mechanism
  • Do you have > 100 features?
    • Yes, then try One-class Support Vector Machine (SVM)
    • No, need fast training, then try Principal Component Analysis (PCA)-based Anomaly Detection
  • Also consider...
    • K-Means Clustering
    • Hierarchical Clustering; Agglomerative (HAC) & Divisive (HDC)
    • One-class Support Vector Machine (SVM)
      • Variational Autoencoder (VAE)
    • Autoencoder (AE) / Encoder-Decoder
    • Radial Basis Function Network (RBFN)

• Outlier | Wikipedia
• Machine Learning: Trying to detect outliers or unusual behavior | Stacey Ronaghan - Medium
• Outlier Detection and Removal Algorithm in K-Means and Hierarchical Clustering | A. Barai and L. Dey
• Capabilities ... Search ... Clustering ... Recommendation ... Anomaly Detection ... Classification ... Dimensional Reduction ... ...find outliers
  • Intruder
  • Cybersecurity
  • Signals
  • Pathology

Anomaly Detection. Sometimes the goal is to identify data points that are simply unusual. In fraud detection, for example, any highly unusual credit card spending patterns are suspect. The possible variations are so numerous and the training examples so few, that it's not feasible to learn what fraudulent activity looks like. The approach that anomaly detection takes is to simply learn what normal activity looks like (using a history non-fraudulent transactions) and identify anything that is significantly different.