→ a15801580max: Bonferroni...QQ 49.218.53.221 02/03 15:37
推 s829307: terry61302：140.113.136.217 02/03 15:41
推 KKdvs: Pairwise是考什麼？112.104.135.193 02/03 15:56
→ Firstshadow: (づ′・ω・）づ只要想別人也不會就 42.73.223.58 02/03 15:58
→ Firstshadow: 好惹 42.73.223.58 02/03 15:58
推 timmyyeh: 還有一題科西…經濟覺得考得很管理類組 101.8.51.40 02/03 16:05
推 royshome: 經濟寫不完崩潰～ 42.73.163.20 02/03 16:17
→ a15801580max: 證明相關係數+-1嗎？我用算幾做行呢 49.218.53.221 02/03 16:20
→ Yogaga: 算幾可由柯西推出，所以是OK的 114.45.113.184 02/03 16:25
推 a15801580max: 感恩! 49.218.53.221 02/03 16:43
推 Pieteacher: Holder ineq p=q=2114.136.184.225 02/03 17:49
推 goshfju: 可以拍題目上來喔 49.216.149.136 02/03 21:58
推 vvar: 計量QQ223.137.127.155 02/03 22:02
推 goshfju: Let h(t)=E(Zx+tZy)^2=t^2+2*rho*t+1>=0 180.204.193.2 02/04 08:33
→ goshfju: for all t 180.204.193.2 02/04 08:33
→ goshfju: 4*rho^2-4<=0 => -1<=rho<=1 180.204.193.2 02/04 08:33
→ goshfju: 這證明其實蠻固定 有證過就會 180.204.193.2 02/04 08:34
推 goshfju: Cauchy Schwartz 不等式也可令 180.204.193.2 02/04 08:37
→ goshfju: h(t)=E(X+tY)^2 證出 180.204.193.2 02/04 08:38