Detect Duplicate and Inconsistent Records: Worked Audit
A five-record worked audit uses explicit keys, cautious normalisation and a conflict quarantine.
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Join Datasets and Audit Unmatched Keys: Worked Workshop
A worked join shows how three source rows can become four without any new observation.
Create a Data Dictionary Before Analysis: Worked Workshop
A worked dictionary and custom checker expose ambiguous units and missing-value meanings.
Explain Correlation Without Claiming Causation
A constructed poster-and-visit example separates linear association from a causal claim.
Valencia Sociología: Degree and Curriculum Guide
Fictional survey; no personal data or population finding. Includes selected programme components and practical applicant questions.
UPC Civil Engineering: Bachelor and Curriculum Guide
Fictional model; no real structural design or safety evidence. Includes selected programme components and practical applicant questions.
UAM Física: Degree and Curriculum Guide
Fictional timing records; no experimental result. Includes selected programme components and practical applicant questions.
UAB Environmental Science: Curriculum and Entry Guide
Invented material counts; no environmental certification. Includes selected programme components and practical applicant questions.
Turin Global Law and Transnational Legal Studies: Guide
An original two-timeline exercise accompanies selected legal study stages and careful questions about source, scope and entrant-specific rules.
Sapienza Sustainable Building Engineering: Rieti Guide
A worked sensitivity exercise accompanies selected engineering study layers and careful reading of programme and unit language labels.