← All skills

Sample Size Calculator

/calc-sample-sizeNEW
Data & Study Design

What it does

Interactive sample size calculator with decision-tree guided test selection. Covers 17 designs including Cox regression EPV.

Highlights

  • ✓DTA, t-test, ANOVA, chi-square, McNemar, survival
  • ✓Logistic regression & Cox EPV (Peduzzi rule)
  • ✓IRB-ready justification text

Install this skill

git clone https://github.com/Aperivue/medsci-skills.git
mkdir -p ~/.claude/skills
cp -r medsci-skills/skills/calc-sample-size ~/.claude/skills/
Full documentation→View source on GitHub

Related skills

Study Design/design-study

Identifies analysis unit, cohort logic, data leakage risks, and validation strategy.

Data Cleaning/clean-data

Standardize, validate, and transform raw research datasets. Handles missing data, outlier detection, and variable recoding.

De-identification/deidentify

De-identify clinical research data before LLM-assisted analysis. Standalone Python CLI with 11 country locale packs. No LLM involved.

Variable Operationalization/define-variables

Literature-grounded variable operationalization for observational research. Turns a data dictionary plus research question into a citation-backed table of exposure / outcome / covariate definitions, cutoffs, and DB-variable mappings. Tier 0 dictionary-first rule prevents ad-hoc phenotype definitions that invite reviewer rejection.