小灰 小灰是我父母在家养的一只猫，毛色灰蓝灰蓝的，虎头虎脑。前不久，小灰失足从楼上跌落，没能救回来。 小灰与我素未谋面，但我往家里打电话时，常听父母 … ← OK, here’s a hierarchical Bayesian analysis for the Santa Clara study (and other prevalence studies in the presence of uncertainty in the specificity and sensitivity of the test) Adjustment set exercise from Elwert 2013 →