ThresholdIQ Blog

Guides, tutorials and deep dives on automatic anomaly detection for Excel and CSV data — written for Finance, Operations, E-Commerce, Utilities and Supply Chain teams, not data scientists.

Deep Dive March 24, 2026 18 min read

The 9 ML Anomaly Detection Methods ThresholdIQ Uses — Explained in Plain English

Multi-Window Z-Score, EWMA, SARIMA, Isolation Forest, Correlation Deviation, DBSCAN, Seasonal Baseline, Trend Detection, and Stuck & Zero Detection — each one explained with a plain-English analogy, a worked data example showing exactly what it flags, and an honest summary of what it catches and what it misses. The complete guide for anyone who wants to understand what's running on their data.

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Manufacturing March 22, 2026 11 min read

Detecting OEE Drops, Equipment Faults & Production Anomalies in Manufacturing Data Exports

Unplanned downtime costs manufacturers an average of $260,000 per hour — and the early signals are almost always visible in production data days before catastrophic failure. How plant managers and quality engineers catch equipment faults, yield drops and multi-metric shift anomalies using ML detection on their existing spreadsheet exports, without MES integration.

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