If I have an line like:
15, 15, 9, 10
How can I count how many times each value appeared? In this example, it would be like:
15: 2, 9: 1, 10: 1
or
15: 50%, 9: 25%, 10: 25%
I don't know if it can help, but my intended use case is to check the most common openings in a chess game, and the distribution. For that, I have an set with 20041 games, each one with an value like D10, B00, C20, C50...