rnorm(1,3,1) rnorm(1,3,sample(1:2)) sample(1:2) sample(1:2) sample(1:2) sample(1:2) sample(1:2) sample(1:2) sample(1:2) rnorm(1,3,sample(1:2)[1]) sample(1:2)[1] sample(1:2)[1] sample(1:2)[1] sample(1:2)[1] sample(1:2)[1] 1:2 1:10 a = 1:10 a (1:10)[1] (1:10)[1] (1:10)[1] (1:10)[1] (1:10)[1] (1:10)[1] sample(1:10) sample(1:10) sample(1:10) sample(1:10) sample(1:10) sample(1:10)[1] sample(1:10)[1] sample(1:10)[1] sample(1:10)[1] rnorm(1,3,sample(1:2)[1]) rnorm(1,sample(1:2)[1], 1) rnorm(1,sample(1:2)[1], 1) rnorm(1,sample(1:2)[1], 1) rnorm(1,sample(1:2)[1], 1) rnorm(1,sample(1:2)[1], 1) rnorm(1,sample(1:2)[1], 1) rnorm(1,1, 1) rnorm(1,1, 1) rnorm(1,1, 1) rnorm(1,1, 1) q() rnorm(10,1, 1) rnorm(100,1, 1) x <- rnorm(1000000,1, 1) mean(x) length(x) sd(x) sum(x) sum(x)/length(x) sum(x^2) 1:2 1:8 1:8 -> v v v[1] v[1:3] v^2 sum(v^2) c(1,4,8) c(1,4,8) -> v1 v1 rnorm(1,sample(1:2)[1], 1) sample(v1) sample(v1) sample(v1) sample(v1) sample(v1) sample(v1) sample(v1) sample(v1)[1] sample(v1)[1] sample(v1)[1] sample(v1)[1] sample(v1)[1] sample(v1)[1] sample(v1)[1] sample(v1)[1] rnorm(1,sample(1:2)[1], 1) rnorm(1,sample(1:2)[1], 1) rnorm(1,sample(c(-1:1))[1], 1) c(-1:1) c(-1,1) rnorm(1,sample(c(-1,1))[1], 1) sample(c(-1,1)) sample(c(-1,1)) sample(c(-1,1)) sample(c(-1,1)) sample(c(-1,1)) sample(c(-1,1)) sample(c(-1,1)) sample(c(-1,1)) seq(1,10,by=2) seq(1,10,by=1) c(1:10) c(1:3) c(c(1:3),c(1:3)) c(c(1:3),c(1:3)) rep(0,10) rep(0,10) rep(3,10) rep(c(1:3),4) rep(c(1:3),4) rep(c(1:3),4) rnorm(1, sample(c(-1,1))[1], 1) rnorm(1, sample(c(-1,1))[1], 1) rnorm(1, sample(c(-1,1))[1], 1) rnorm(1, sample(c(-1,1))[1], 1) rnorm(1, sample(c(-1,1))[1], 1) rnorm(1, sample(c(-1,1))[1], 1) rnorm(1, sample(c(-1,1))[1], 1) rnorm(1, sample(c(-1,1))[1], 1) rnorm(1, sample(c(-1,rep(1,9)))[1], 1) c(-1,rep(1,9)) rnorm(1, sample(c(-1,rep(1,9)))[1], 1) rnorm(1, sample(c(-1,rep(1,9)))[1], 1) rnorm(1, sample(c(-1,rep(1,9)))[1], 1) q()