回复 第2楼 的 ywh19860616：非常感谢你！
> for(i in 1:1000)
+ {
+ v1<-rnorm(100)
+ v2<-pnorm(100)
+ v<-cbind(v1,v2)
+ apply(v,1,mean)
+ }
可是运行的结果不是我要的，我想要的是经过1000次循环后，得到1000个samples, 还有，为什么我加循环和没有循环，输出的结果很相似呢？
v
v1 v2
[1,] 0.549683433 1
[2,] 2.198364133 1
[3,] 0.465122946 1
[4,] -1.185832084 1
[5,] -0.444762129 1
[6,] -0.287016706 1
[7,] 0.322178826 1
[8,] -1.512875023 1
[9,] -1.741168434 1
[10,] -0.686479489 1
[11,] 1.017642656 1
[12,] 0.406054300 1
[13,] 2.887806055 1
[14,] -1.842022735 1
[15,] -0.243663742 1
[16,] 0.537040474 1
[17,] 1.373416868 1
[18,] -0.568892088 1
[19,] 0.983612409 1
[20,] 0.717922868 1
[21,] 0.735696152 1
[22,] 0.524598390 1
[23,] 0.398104563 1
[24,] 2.787013336 1
[25,] -1.168548488 1
[26,] 1.310041432 1
[27,] -0.962450362 1
[28,] 0.479917647 1
[29,] 0.196917481 1
[30,] 2.248543823 1
[31,] 0.389168593 1
[32,] -2.429414170 1
[33,] 1.765521536 1
[34,] -1.238359652 1
[35,] 0.351448312 1
[36,] -0.054812961 1
[37,] 0.576337788 1
[38,] -2.106063286 1
[39,] 0.626071159 1
[40,] 0.361132034 1
[41,] -0.669185587 1
[42,] 0.063336691 1
[43,] 0.775573102 1
[44,] -0.560492062 1
[45,] 0.592631998 1
[46,] -0.236276019 1
[47,] 0.367471491 1
[48,] 0.100395986 1
[49,] 1.400584143 1
[50,] -1.715661618 1
[51,] -0.651497253 1
[52,] 0.294585091 1
[53,] 0.237575829 1
[54,] 0.136037211 1
[55,] -0.743017408 1
[56,] 1.053009905 1
[57,] 1.051185489 1
[58,] -0.757601873 1
[59,] -1.501183270 1
[60,] 0.557768171 1
[61,] -0.001469056 1
[62,] -0.227238789 1
[63,] -2.002154775 1
[64,] 1.592895975 1
[65,] -0.694746391 1
[66,] -0.259658841 1
[67,] 0.065211022 1
[68,] 0.588803110 1
[69,] 0.371711253 1
[70,] 0.786787717 1
[71,] -0.975025080 1
[72,] -0.667415675 1
[73,] -1.088847241 1
[74,] 0.577976553 1
[75,] 1.048453767 1
[76,] 0.123291401 1
[77,] -1.148024026 1
[78,] 0.709171624 1
[79,] 0.406527314 1
[80,] 0.412981004 1
[81,] 1.282833891 1
[82,] -0.377336104 1
[83,] 1.432322281 1
[84,] 1.567914785 1
[85,] -2.211749202 1
[86,] -0.701549471 1
[87,] 1.463919359 1
[88,] 0.669888768 1
[89,] -0.391964310 1
[90,] -2.014002822 1
[91,] -1.382537585 1
[92,] 0.060836720 1
[93,] -0.180519207 1
[94,] 1.568326577 1
[95,] -0.391153122 1
[96,] 0.676510592 1
[97,] 0.673605089 1
[98,] -0.997908497 1
[99,] 0.267933602 1
[100,] 0.710423103 1
