kan-qi / UMLx

Analyze software architecture and generate insights about software development complexities, risks, and costs.
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Bootstrapping test of p-values #610

Open kan-qi opened 5 years ago

kan-qi commented 5 years ago

Currently the p-values for accuracy improvements are calculated by t-test: image

Since the distribution of test statistic is not normal, we need to use non-parametric bootstrapping test to calculate the p-value

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Example code can be found: https://stats.stackexchange.com/questions/136661/using-bootstrap-under-h0-to-perform-a-test-for-the-difference-of-two-means-repl