The evaluation metric for this competition is Mean Absolute Error.

Mean Absolute Error = (1/n) * ∑|yi – xi|

Σ: Greek symbol for summation
yi: Actual value for the ith observation
xi: Calculated value for the ith observation
n: Total number of observations

Submission File
For each id in the test set, you must predict a value for the sales variable. The file should contain a header and have the following format:

WEEKSTARTDATE Sample Values
3/15/2020 0.00
3/22/2020 0.00
3/29/2020 0.00
4/5/2020 0.00
4/12/2020 0.00
4/19/2020 0.00
4/26/2020 0.00
5/3/2020 0.00
5/10/2020 0.00