Submissions are evaluated on [area under the ROC curve](http://en.wikipedia.org/wiki/Receiver_operating_characteristic) between the predicted probability and the observed target.


## Submission File
For each ID in the test set, you must predict a probability for the TARGET variable. The file should contain a header and have the following format:

| **msno**| **is_churn**|
| 9WQJvVyggkLWsp0DLpOljfbKePSZZZeYdQvNOAkQ0bk= | 0 |
| kTCflEFCJk6ahA8ryiGzOBQlhwEOMxuPT7gVPRzoJJ8= |  1 |
| EgBTyrvGcPR2bjlXjPqdSkRzz1NVXVvLLdUaabKBm4I= |  0 |
etc.

Submission has to have 47335 rows plus a header (47336 rows in total). msno needs to match the test_data.csv msno.