Random Variable Distributions in R

library(car)
set.seed(42)
x <- rnorm(100)
qqPlot(x)
y <- rgamma(100, 1)
qqPlot(y)
plot(density(rf(10,2,2)))   # F distribution
plot(density(rt(10,2,2)))   # t distribution
plot(density(rchisq(10,2,2)))   # chi-square distribution