The evaluation metric for this competition is AUC (area under the curve). The AUC (Area Under Curve) is the area enclosed by the ROC curve. A perfect classifier has AUC = 1 and a completely random classifier has AUC = 0.5. Usually, your model will score somewhere in between.
Submission Format

For every sku in the dataset, submission files should contain two columns: sku and went_on_backorder.

The file should contain a header and have the following format:

```
sku, went_on_backorder
1112168, 1
```