Bayesian Mendelian randomization testing of interval causal null hypotheses: ternary decision rules and loss function calibration
贝叶斯孟德尔随机化的区间因果零假设检验:三元决策与损失函数校准AI 解读 ↓
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AI 根据所提供的论文材料归类:摘要明确以孟德尔随机化中的因果效应检验为研究对象,方法围绕因果零假设及决策规则展开,因此归入因果推断。
贝叶斯孟德尔随机化的区间因果零假设检验:三元决策与损失函数校准AI 解读 ↓
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Our approach to Mendelian Randomization (MR) analysis is designed to increase reproducibility of causal effect "discoveries" by: (i) using a Bayesian approach to inference; (ii) replacing the point null hypothesis with a region of practical equivalence consisting of values of negligible magnitude for the effect of interest, while exploiting the ability of Bayesian analysis to quantify the evidence of the effect falling inside/outside the region; (iii) rejecting the usual binary decision logic in favour of a ternary logic where the hypothesis test may result in either an acceptance or a rejection of the null, while also accommodating an "uncertain" outcome. We present an approach to calibration of the proposed method via loss function, which we use to compare our approach with a frequentist one. We illustrate the method with the aid of a study of the causal effect of obesity on risk of juvenile myocardial infarction.