Support multi-class with base margin. #7381
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Interesting that I couldn't reproduce the error in my setup. Might be an issue with CUDA 10 on Windows. |
* Numpy and pandas.
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hcho3
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Nov 2, 2021
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This is already partially supported but never properly tested. So the only possible way to use it is calling
numpy.array.flattenwithbase_marginbefore passing it into XGBoost. This PR adds proper support for most of the data types along with tests.Close #7083 .