In the refactor to add base margins, #2532, all of the labels were lost when creating the dmatrix. This became obvious as metrics like ndcg always returned 1.0 regardless of the results. Change-Id: I88be047e1c108afba4784bd3d892bfc9edeabe55
In the refactor to add base margins, #2532, all of the labels were lost when creating the dmatrix. This became obvious as metrics like ndcg always returned 1.0 regardless of the results. Change-Id: I88be047e1c108afba4784bd3d892bfc9edeabe55