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Introduction
The lapply() function
Other apply() functions
The split-apply-combine pattern
Summary
25. Exercise 2

## Instruction

Great! Now, in a data frame named prize_pool_wimbledon, we have detailed information about prizes – for each program and for each winning place.

## Exercise

Calculate how much money was spent on each program.

### Stuck? Here's a hint!

Use the split-apply-combine pattern. Use tapply() to calculate total sum of prizes (prize_pool) for each of the programs.