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RESEARCH DATASETS

Specialized datasets. Documented evidence.

Specialized historical and regulatory datasets with traceable sources, clear documentation, and transparent limitations.

Explore our datasets, inspect the evidence, and choose the release that fits your research.

Need selected records or a specific research answer? We also prepare custom data extracts, research tables, and reports from our available datasets. Explore Custom Research →

What can you actually do with a dataset?

Start with a research question, inspect real records, and follow the evidence back to its source.

Historical index membership windowA horizontal date line and a separate historical membership interval, contrasted with an unconnected current roster dot.Historical memberTodayPastPresent

Was a company actually part of the index on the date my backtest starts?

Check historical S&P 500 membership without today-only survivor bias

Filed-wage comparison by occupation and yearA grid of annual filing groups with varying abstract bars. No real amounts or measurements are depicted.SOC groupFY AFY BFY CWages

How do filed offered wages vary by occupation, worksite state and fiscal year?

Compare filed H-1B offered wages by employer and occupation

Trace foundation grants to organizations and stated purposesConnected boxes labelled Foundation, Recipient and Purpose with no actual organizations or grant values.FoundationRecipientPurpose

Which foundations disclosed grants to recipients or purposes similar to our nonprofit?

Find California foundations that previously funded similar organizations

Compare published disciplinary-action entries by source quarterThree abstract bars on a quarter axis with no vertical numerical scale and no claimed source counts.Quarter AQuarter BQuarter C

What kinds of disciplinary actions appear in the Board’s quarterly listings?

Study published California pharmacy disciplinary-action patterns

Illustrations show research workflows, not measured results. Read each dataset’s coverage and limitations before using it.

Read the complete guide: 12 real-world research examples →