R 生成扩展n的多个样本对
假设我必须生成1000个样本对R 生成扩展n的多个样本对,r,statistics,R,Statistics,假设我必须生成1000个样本对(Y1,Y2)(来自替换的正态分布)。每对应该有20次观察 y1 <- rep(sample(c(1:10),10, replace = TRUE)) y2 <- rep(sample(c(1:10),10, replace = TRUE)) y1一种方法是使用复制,即 replicate(5, rep(sample(c(1:10), 10, replace = TRUE))) # [,1] [,2] [,3] [,4] [,5] # [1
(Y1,Y2)
(来自替换的正态分布)。每对应该有20次观察
y1 <- rep(sample(c(1:10),10, replace = TRUE))
y2 <- rep(sample(c(1:10),10, replace = TRUE))
y1一种方法是使用复制
,即
replicate(5, rep(sample(c(1:10), 10, replace = TRUE)))
# [,1] [,2] [,3] [,4] [,5]
# [1,] 3 9 2 4 5
# [2,] 4 1 10 8 1
# [3,] 5 6 1 3 7
# [4,] 1 9 9 6 5
# [5,] 5 3 4 7 9
# [6,] 4 5 4 4 5
# [7,] 2 10 9 4 9
# [8,] 3 1 10 5 3
# [9,] 7 3 10 9 10
#[10,] 10 3 10 10 1