How is the park rating calculated?

In Rollercoaster Tycoon 2 there is a park rating system from 1 - 999 which basically says how good your park is. I've noticed that a large amount of guest complaints lowers it, while good rides with a high satisfaction increase it. However, I'd like to know how it's calculated mathematically and was unable to find anything on Google.
How is the ingame park rating system calculated?
Best Answer
While it is unlikely that anyone will be able to figure out the particular equation used to calculate the park rating, the following things all affect your park's rating (this list is from the Roller Coaster Tycoon Wiki:
- Variety of Rides
- Amount of Rides
- Quality of Rides
- Variety of Stalls
- Amount of Stalls
- Scenery
- Vandalism
- Cleanliness of Footpaths
- Safety
- Happiness of guests
- Lost Guests
- Prices for rides and stalls
- Awards
So basically, the answer is that everything affects the park's rating. As I stated before though, it is unlikely that we will ever know the exact math behind the rating.
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How do you get your park rating up?
Park Rating is affected by the following factors:How is park value calculated in RollerCoaster Tycoon?
Park value measures the collective value of the rides and objects within a park. Much of the park value is determined by the physical value of the rides and attractions themselves; in essence, the amount of money that the player would receive if every ride and attraction in the park were demolished.How do you increase your rating in Theme Park Tycoon 2?
Ways to increase your rating are: having less trash, more rides, seating, trash cans and stalls in lots of places. Not having these things can decrease your rating and the quality of your theme park.How do you activate cheats on Roller Coaster Tycoon 2?
In all RollerCoaster Tycoon games, cheat codes are activated by renaming a guest/peep to a specific name. The effects will take place once the name is entered. This is done by clicking on the nametag icon in the Guest's window.The Park Value in RollerCoaster Tycoon 2 Explained
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Images: Mikhail Nilov, Ketut Subiyanto, Ketut Subiyanto, Ketut Subiyanto