Likelihood ratio: Λ = L(θ_1|x)/L(θ_0|x)

Layer 1 — Physicsin the data-analysis-physics subtree

The likelihood ratio Λ = L_1/L_0 is the Neyman-Pearson 1933 most-powerful test statistic for simple-vs-simple hypothesis testing: given data x and two fully-specified hypotheses H_0 (parameter θ_0) vs H_1 (parameter θ_1), the test 'reject…

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