power-sample-size-calculator
Statistical power analysis and sample size determination
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技能内容
Power and Sample Size Calculator
Purpose
Provides statistical power analysis and sample size determination capabilities for experimental design.
Capabilities
- Power analysis for common tests (t-test, ANOVA, chi-square)
- Effect size calculation
- Sample size estimation
- Simulation-based power analysis
- Multi-level model power analysis
- Sequential analysis design
Usage Guidelines
- Effect Size: Specify meaningful effect sizes
- Power Target: Set appropriate power levels (typically 0.80)
- Type I Error: Control alpha appropriately
- Simulation: Use simulation for complex designs
Tools/Libraries
- G*Power
- pwr (R)
- statsmodels
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原文件路径
library/specializations/domains/science/mathematics/skills/power-sample-size-calculator/SKILL.md