The evaluation metric for this competition is the root mean squared error (RMSE). Compared to the Mean Absolute Error, RMSE punishes large errors:
\[RMSE= \sqrt{1/m \sum_{i=1}^m (y_i - \hat{y}_i^2)} \]
where y hat is the predicted value and y is the original value.
Submission Format
Submission files should contain two columns: Id and Prediction. 

The file should contain a header and have the following format:
The file should contain a header and have the following format:
Id,Prediction
0,1
1,8
2,9
3,10
etc.