unrelated commits that should stay.a603d0b Merge pull request #633 from leonsas/revert-628-hr-hrv-auditc3da670 (origin/revert-628-hr-hrv-audit) Revert "Hr hrv audit"根据Thomas的建议,我再次尝试了rebase解决方案:
> git c
我正在做一项病例对照研究,我想将病例与对照按1:10的比例进行匹配,我的病例为21例,对照病例为40,000多例 out <- NULL g <-patient_HRV$SEX[i] x <- sample((which(control_HRV$Sex==g & control_HRV$Age>=y-1 & c