Anomaly Detector

Purpose

Use this skill when the user needs to identify abnormal rows, drift, spikes, or rare-event behavior in data.

When to Use

Use this skill when:

• Investigating outlier transactions, sensor spikes, fraud candidates, or rare failures
• Comparing statistical, distance-based, or density-based anomaly detection approaches
• Setting anomaly thresholds and reviewing false positives or false negatives

Not For / Boundaries

• Generic schema/null/range validation: use

  data-quality-checker

• Publication-grade figure polishing: use

  scientific-visualization

• End-to-end supervised model training: use

  training-machine-learning-models

Typical Outputs

• Candidate anomaly rules or model choices
• Thresholding and review workflow
• Follow-up plots or tables showing suspicious records

Related Skills

• data-quality-checker

  for dataset sanity checks before anomaly review

• creating-data-visualizations

  for general charts after anomalies are identified