MediumTime Seriests-253

Known Future Covariate Use

Problem

Apply known future covariates as a dot product: sum(value * weight).

These covariates, such as planned promotions or calendar effects, are known ahead of the forecast origin.

Hint

Known-future inputs shift the forecast before any observation arrives.

case 1

in: [[1,2,3],[0.5,0.5,0.5]]

expected: 3

case 2

in: [[0,0],[1,2]]

expected: 0

case 3

in: [[5],[2]]

expected: 10

case 4

in: [[],[]]

expected: 0

Starter codePython

def known_future_covariate_use(future_values, weights):
    # Your code here
    pass

4 test cases · run your code against them in the editor