I am trying to calculate the probability for admission to a restaurant, in foot forward to have a rough idea to predict how many admissions would be there in 5 years from now.
The question is: is 18 months of historical data enough to calculate it?
E.g: on an average 2000 people visited cafeA in last 18 month and 3000 visited cafeB in last 18 months
Kindly help.