> table(link$Q36)
Annual ($20)
295
Bargain Membership (6 years for the price of 5 @ $100)
249
I am unsure
85
Lifetime Membership ($300)
68
Not yet retired ($10)
11
Out-of-area ($10)
18
Out-of-area Bargain Membership (6 years for the price of 5 @ $50)
14
I add these 7 numbers together, which gives me 740. But in my R studio, it says I have 782 observations. Why?