Numeric vector for real numbers
> numVec = c(1,-2,3.3,7,-3) # c = combine function
[1] 1.0 -2.0 3.3 7.0 -3.0
> class(numVec)
[1] "numeric"
> ?numeric #Help
> is.numeric(numVec)
[1] TRUE
set.seed(1)
sample(1:100, 5)/100
[1] 0.44 0.50 0.31 0.51 0.86
runif(n, min = 0, max = 1)