The formula to calculate Cohen’s kappa for two raters is: where: Po= the relative observed agreement among raters. Pe= the hypothetical probability of chance agreement Example Question: The following hypothetical data comes from a medical test where two radiographers rated 50 images for needing fu...
如果实际标准未知,则 Minitab 可通过以下公式评估 Cohen 的 kappa: 试验B(或检验员 B) 试验A(或检验员 A)12...k合计 1p11p12...p1kp1+ 2p21p22...p2kP2+ ... kpk1pk2...pkkpk+. 合计p.+1p.+2...p.+k1...