# Evaluation Metric

The evaluation metric for this competition is root-mean-square error (RMSE). The RMSE score, is a frequently used measure of the differences between values (sample or population values) predicted by a model or an estimator and the values observed. The RMSE score is given by:

![](https://i.ibb.co/G7tqcWY/rmse-1.jpg)

# Submission Format

For every unique 'Date' and 'Time' combination in the dataset, submission files should contain two columns: Id and Demand.

The file should have the following format:
```
Id,Demand
1,23
```