2021-9: In the Long Run
Write a function that:
- has a right argument that is a numeric vector of 2 or more elements representing daily prices of a stock.
- returns an integer singleton that represents the highest number of consecutive days where the price increased, decreased, or remained the same, relative to the previous day.
💡 Hint: The N-wise reduction operator X f/ Y function could be useful when solving this problem.
Examples (the longest runs are highlighted)
(your_function) 1 2 3 5 5 5 6 4 3
3
(your_function) 1 2 3 4 4 4 4 4 5 4 3
4
(your_function) 1 2
1
your_function ←
Solutions
