1、等可能的不放回随机抽样,从1到55的数字当中,选取14个数字:> sample(1:55,14)[1] 52 18 11 39 7 51 2 5 41 36 13 4 8 45
2、等可能的有放回随机抽样,抛一枚骰子10次,可以表示为:> sample(1:6,10,replace=T)[1] 6 5 2 2 3 5 3 5 2 4
3、不等可能的随机抽样,一个运动趋濞曛逖员投球,投中的概率为0.8,那么投15次在R中可表示为:> sample(c("touzhong","buzhon爿讥旌护g"),15,replace=T,prob=c(0.8,0.2))[1] "touzhong" "touzhong" "touzhong" "touzhong" "touzhong" "touzhong" "touzhong"[8] "touzhong" "touzhong" "touzhong" "buzhong" "touzhong" "buzhong" "touzhong"[15] "buzhong"