Research manuscript on a scholar’s desk

Free tool · Rehearse your analysis

Study Data Creator

Realistic study data before you collect a single response.

Describe your study, variables, distributions and expected effects; the creator builds a validated simulated dataset, runs the analyses and exports to SPSS, Excel/CSV or Word.

✓ 100% free  ·  ✓ No sign-up  ·  ✓ Runs in your browser

Who this is for

Researchers piloting an analysis plan, teachers preparing practicals and students learning statistics who need believable data that behaves as designed.

Watch it work

Your study dataset in four steps

Follow the walkthrough — click any step to see it, or let it play.

MrThesis · Study data creator

Study design

Cross-sectional surveyCase-controlCohortRandomised trial
  • Sample size 400

Variables

  • Hypertension · yes/no, 25% Outcome
  • Smoking · yes/no, 30% Exposure
  • Age · normal, mean 45 ± 12 Covariate
  • Gender · 52% female Covariate

Expected relationships

  • Smoking → Hypertension OR 2.0
  • Age (per 10 yrs) → Hypertension OR 1.5
  • Gender → Hypertension No effect

Validation · target vs generated

Hypertension25%24.8% ✓Smoking30%30.3% ✓Smoking OR2.02.04 ✓
✓ 400 rows exported to SPSS (.sav)

What you get

Ready for your thesis

  • Simulated dataset matching your declared design
  • Validation report against your targets
  • Exports to SPSS (.sav), Excel/CSV and Word
  • Saved studies you can reopen and refine
  • Guided steps: design → variables → relationships → generate
  • Validated against the shape you declared
  • Export to SPSS (.sav), CSV and Word
  • Perfect for piloting analysis plans and teaching
Launch Data creator ↗

Paid help · when you want it

Prefer an expert to do it?

Our statisticians can take over this step for you — fully justified, checked and explained for your supervisor or reviewers.

FAQ

Study Data Creator, answered

Is the data real?+

No. It is entirely simulated and must never be presented as collected data. It is for planning, teaching and practice.

Can I use it to test my analysis plan?+

Yes — that is its main purpose: run your planned tests on data shaped like your study.

Can I save my study?+

Yes. Studies are saved in your browser and can be exported and imported as files.

Complete your workflow

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