SkillsLib.ai

Benchmarking & Experimental Design Optimizer

Design and run rigorous benchmarks with statistical validation

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100+ downloads
Updated Oct 2026

What You Can Do

You get structured guidance for designing controlled experiments, selecting appropriate metrics, and analyzing results with statistical rigor. Claude helps you identify confounding variables, calculate required sample sizes, interpret statistical significance, and document methodology for reproducible benchmarking that stands up to scrutiny.

Features

Experimental design templates

Pre-built frameworks for A/B tests, multivariate experiments, and longitudinal studies

Statistical power calculator

Determine sample size and effect detection based on your hypothesis and confidence level

Confound variable checker

Systematically identify hidden variables that could skew results

Results analyzer

Calculate p-values, confidence intervals, and effect sizes from raw data

Reproducibility documentation

Generate methodology checklists and result summaries for publication or stakeholder review

Benchmark comparison framework

Compare performance across systems, configurations, or algorithms side-by-side

Variance reducer strategies

Techniques to minimize noise in measurements and improve result reliability

Example Output

Example 1: A/B Test Design

Your input: "I'm testing a new search algorithm against our current one. 100K users expected, 2% baseline conversion."

Claude produces:

  • ✓ Sample size calculation: 8,400 users per variant (90% power, α=0.05)
  • ✓ Control variables to track: User country, device type, search query length, time-of-day
  • ✓ Duration recommendation: 14 days minimum (account for daily/weekly patterns)
  • ✓ Analysis template with confidence interval interpretation

Example 2: Benchmark Methodology

Your input: "Benchmarking latency for 3 Python JSON libraries."

Claude produces:

  • ✓ Warmup iterations needed (cold cache vs hot cache effects)
  • ✓ Sample data requirements (small payloads vs large payloads)
  • ✓ System conditions to control (CPU frequency, memory contention)
  • ✓ Statistical summary template (mean, std dev, percentiles, outlier handling)
  • ✓ Reproducibility checklist for documentation

What's Included

  • SKILL.md: Core benchmarking workflows and decision trees
  • Experimental Design Templates: A/B testing, multivariate design, factorial experiments
  • Statistical Calculator Sheet: Power analysis, sample size, confidence intervals
  • Variables Audit Checklist: Confounds, controls, and measurement protocol
  • Results Analysis Worksheet: Step-by-step guide to interpret statistical output
  • Reproducibility Checklist: Document your methodology for peer review or publication
  • Benchmark Comparison Framework: Side-by-side performance tracking template

Who It's For

  • Data scientists — Design A/B tests and validate algorithm performance improvements
  • Software engineers — Benchmark code changes and prove performance gains statistically
  • Product managers — Evaluate feature impact with rigorous experimental methodology
  • Researchers — Document reproducible methodology and analyze research data
  • QA engineers — Design load tests and validate system behavior under varying conditions

Best For

  • Designing and running A/B tests with proper sample size calculations
  • Identifying and controlling confounding variables in experiments
  • Analyzing benchmark results and determining statistical significance
  • Documenting experimental methodology for peer review or publication
  • Comparing performance across multiple systems or algorithm variants

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