· Xiaojing Yang · Statistics
Power Analysis: How Many Experiments Do You Need?
Power analysis connects sample size, effect size, and the chance of detecting a real improvement.
Power analysis connects sample size, effect size, and the chance of detecting a real improvement.
How distributions become assumptions about data, labels, errors, and model behavior.
A practical introduction to random variables, expectation, and variance for AI experiments.
Regularization controls model complexity by making some parameter values less plausible.
A practical map for choosing statistical tests in NLP, MT, RAG, and LLM evaluation.
Statistics is not just a set of formulas. It is a way to reason about uncertainty, evidence, and trust in AI experiments.