Simulation for power analysis

Statistical Simulation in Python

Tushar Shanker

Data Scientist

What is power?

• What Is Power? - Statistics Teacher
• $\text{power} = P(\text{rejecting Null} | \text{true alternative})$
• Probability of detecting an effect if it exists.
• Depends on sample size, $\alpha$ and effect size.
• Typically 80% power recommended for $\alpha = 0.05$.

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Simulation for power analysis

Let's practice!

Statistical Simulation in Python