每个研究都有一个唯一的ID#从Locke等人2015年GIANT研究中获取BMI相关SNPs,作为工具变量:bmi2014_exp_dat<-extract_instruments(outcomes='ieu-a-2') 这里通过extract_instruments函数从IEU获取工具变量,需要了解一下参数: ●p1 = P-value threshold for keeping a SNP ●clump = Whether or not to return independ...
Yogo Testing for Weak Instruments in Linear IV Regression (2002) Google Scholar Tabasi et al., 2023 M. Tabasi, A. Raei, T. Hillel, R. Krueger, T.H. Rashidi Empowering revealed preference survey with a supplementary stated preference survey: demonstration of willingness-to-pay estimation ...