Domain III · Identify Data Needs · 26% of the exam
III.3 Identify data sources and locations
Task 3 of Identify Data Needs
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Enablers (verbatim, ECO)
PMI, ECO p. 5: enablers are "illustrative examples of the work associated with the task" and "not meant to be an exhaustive list but rather offer a few examples to help demonstrate what the task encompasses."
Ours: PMI's stems paraphrase one of these as a symptom; the right option is that enabler in PMI's words; the distractors are its siblings or a neighbouring task's enablers.
- Map internal databases and data warehouses containing relevant information
- Explore external data sources and third-party data providers
- Assess cloud storage and distributed data repositories
- Inventory legacy systems and historical data archives
- Document data ownership and access permissions
The rule
Inventory where the data lives, who owns it and what access it needs, before gathering anything.
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What to read
- Workbook p. 51-52 — Collect Initial Data
- Module 02 Lesson 17: Identifying Data Sets for ML Data Collection; Lesson 19: Structured, Unstructured, and Semi-Structured Data
- Module 03 Lesson 11: Data Sources for Ingestion
- Study guide Lesson 12: ECO Task III.3 — Identify Data Sources and Locations