AnomalyGuard
Month: February 2026
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The Bystander Effect is a cognitive bias in which the presence of multiple people in a situation decreases the likelihood that an individual will act, as they expect someone else to take initiative. In data analytics and Business Intelligence (BI), this bias often appears in responsibility for decisions, data quality, or interpretation of analytical results.…
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This is a regular “data quiz”. Follow it on LinkedIn. Test your knowledge or learn something new. Today Question: Which format is most efficient for big data processing? A) CSV B) JSON C) Parquet D) XML Correct Answer: C Explanation Apache Parquet is a columnar storage format designed specifically for analytical workloads and big data processing. Unlike row-based formats such as CSV, Parquet stores data by columns, which enables…
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KPIs are meant to guide decisions. In reality, they often arrive too late to prevent damage. By the time a KPI moves enough to trigger attention, the underlying problem has already been active for days or weeks. Early anomaly detection exists to close that gap. Most KPI failures do not start as failures. They start…