tooluniverse-dataset-discovery
Dataset Discovery
When to Use
- User asks "find me data about X" or "where can I get data on Y"
- User wants to analyze a relationship between variables
- User needs specific study designs (longitudinal, cross-sectional, experimental)
- User asks about specific surveys or cohorts
Step 1: Understand What the Research Question Requires
Before searching, determine the minimum data requirements:
Study design needed:
- "Does X predict CHANGES in Y over time?" → longitudinal (same people measured repeatedly). Cross-sectional data CANNOT answer this — don't settle for it.
- "Is X associated with Y?" → cross-sectional is sufficient (one-time measurement)
- "Does intervention X cause outcome Y?" → experimental (clinical trial with controls)
- "What genes/proteins are involved in X?" → omics (sequencing, expression, proteomics)
Variables needed:
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