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Right to erasure

As explained in Effective Data Analysis

The right to be forgotten is a privacy right allowing an individual to request deletion of personal data held by an organization under applicable law.

The right to erasure, also called the right to be forgotten, allows an individual to request deletion of personal data held by an organization under applicable law. section 8.2.1

In analytics, erasure can change historical metrics: deleting identifying fields and activity records may make active-user and regional counts inaccurate, especially for affected EU and United States users. section 8.2.1

Practical implications include:

  • Delete all information about a requesting EU user or California resident, including an anonymized record. section 8.2.1
  • Remove identifying values after twelve months for deactivated EU users while deleting their activity records entirely. section 8.2.1
  • Preserve analytical continuity by capturing prior-day anonymized and aggregated snapshots in dedicated warehouse tables. section 8.2.1

How Effective Data Analysis covers it

How deep it goes
Explains legal triggers and metric effects, but stops short of detailing request-handling procedures or implementation controls.
Examples
Uses EU deactivation, California requests, deleted activity records, lower regional counts, and warehouse snapshots as examples.
What it assumes
Assumes familiarity with users, activity records, organizational metrics, and data warehouses; introduces the privacy implications of deletion.
What you can do after
Evaluate how legally required deletion affects analytics accuracy and motivates anonymized, aggregated data snapshots.
How it connects
Connects GDPR, CCPA, data anonymization, data aggregation, data warehouses, and organizational metrics.

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This explainer was generated by Manning's knowledge graph from the text of Effective Data Analysis. The section links point to the parts of the book it draws on.