توضیح 1
Official data often has strong documentation but may update slowly.
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درس 10 از 12
Judge public, business, official, private, vendor, and web data sources by documentation, reliability, access, and citation needs.
Theory
Data can come from internal business systems, official statistical agencies, public repositories, private vendors, surveys, and web platforms. A credible source documents how data was collected, what the rows mean, when it updates, who is covered, and what limits remain.
توضیح 1
Official data often has strong documentation but may update slowly.
توضیح 2
Business data is operationally detailed but may miss unobserved behavior.
توضیح 3
Web data can be timely but noisy and incomplete.
فعالیت تعاملی
0%
A source can be useful and still limited. The checklist helps you explain how much trust is appropriate.
منبع
Original synthetic catalog for filtering source type, reliability score, access, and documentation notes.
دریافتمثال حلشده
سناریو
A vendor report claims course completion benchmarks but does not describe recruitment or sample size. A public agency table gives definitions and update frequency but lags by one year.
A source can be useful for one decision and weak for another.
دستیار
Help me evaluate a data source by asking about owner, method, coverage, update frequency, reliability, access, and citation.