You are an employee at USCIS. You need to do a random select…
You are an employee at USCIS. You need to do a random selection process used by USCIS to allocate H-1B work visa when demand exceed the annual cap of 85,000 (and the demand is exceed the annual cap for many years, that means our data have more than 85000 observations). How will you do that using R code?