A simulation game where you are allowed to spend an infinite amount of money on different kinds of lottery tickets. Will you make more than you spend?
This will only launch the local database. You can now run the app in your IDE and it will connect to the database.
docker-compose -f docker-compose.db.yaml up
This will build the app and UI to a small Alpine Docker image, and bring up a MongoDB database which communicates with the app.
docker-compose -f docker-compose.db.yaml -f docker-compose.yaml up
The calculations that determine how many lottery tickets won out of a certain amount, are calculated using the binomial distribution. This is a way of checking the number of successes in a sequence of n independent experiments. more information about binomial distribution
Using this technique I improved the performance of the ticket checking calculations to O(1).
I used the library gonum’s distuv.Binomial struct, that allowed me to pass in an amount and a probability, and receive a random amount of successes generated using binomial distribution.
Here I took the formula for at least one success, and modified it so that the input variable is P(at least one) (a number from 0 to 1), and the output variable is an amount of successes.
The reason why I needed to do this was that I needed a way to introduce randomness into the equation. Now I can insert a random number from 0 to 1 in P(at least one)’s place, and get an amount of wins, that reflects an accurate representation of the probability.
This project is licensed under the MIT License - see the LICENSE file for details