Statistician how-to
How to Write a Statistical Analysis Plan
Plans prevent cherry-picking.
Quick answer
Plans prevent cherry-picking. In short: state; define; choose, then complete the remaining steps below.
Step by step
State objectives.
Define endpoints.
Choose methods.
Plan for missing data.
Specify tests.
Finalize before unblinding.
Safety reminders for statisticians
- Protect patient data
- Follow research ethics
- Avoid p-hacking
- Disclose limitations
Key terms
p-value · Confidence interval · Sample size · Power · Regression · Randomization: see the full statistician glossary.