p-values for model evaluation
نویسندگان
چکیده
منابع مشابه
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Invariant P - Values for Model Checking
P -values have been the focus of considerable criticism based on various considerations. Still, the P -value represents one of the most commonly used statistical tools. When assessing the suitability of a single hypothesized distribution, it is not clear that there is a better choice for a measure of surprise. This paper is concerned with the definition of appropriate model-based P -values for ...
متن کاملP-values for classification
Let (X,Y ) be a random variable consisting of an observed feature vector X ∈ X and an unobserved class label Y ∈ {1, 2, . . . , L} with unknown joint distribution. In addition, let D be a training data set consisting of n completely observed independent copies of (X,Y ). Usual classification procedures provide point predictors (classifiers) Ŷ (X,D) of Y or estimate the conditional distribution ...
متن کاملTwo cheers for P-values?
© 2001 Isis Medical Media Limited Abstract P-values are a practical success but a critical failure. Scientists the world over use them, but scarcely a statistician can be found to defend them. Bayesians in particular find them ridiculous, but even the modern frequentist has little time for them. In this essay, I consider what, if anything, might be said in their favour.
متن کاملTwo cheers for P-values?
P-values are a practical success but a critical failure. Scientists the world over use them, but scarcely a statistician can be found to defend them. Bayesians in particular find them ridiculous, but even the modern frequentist has little time for them. In this essay, I consider what, if anything, might be said in their favour.
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ژورنال
عنوان ژورنال: Physical Review D
سال: 2011
ISSN: 1550-7998,1550-2368
DOI: 10.1103/physrevd.83.012004