Train and val data set both have labels but there is no label in test data set. How to fill up <label> in FFM data format？

[altmanWang]

Thanks for your amazing libffm.

When using ffm_predict, I have a problem about how to fill up in FFM data format when test data set without labels.

Thanks again.

[ycjuan]

Please just put dummy zeros.

[altmanWang]

Thanks for your answer.