dmatrix2np
Convert XGBoost's DMatrix format to np.array.
Made with
Usage
To install the library, run:
pip install dmatrix2np
Then, you can call in your code:
from dmatrix2np import dmatrix_to_numpy
converted_np_array = dmatrix_to_numpy(dmatrix)
Development
We use poetry for development:
pip install poetry
To install all dependencies and run tests:
poetry run pytest
To run tests on the entire matrix (Python 3.6, 3.7, 3.8, 3.9 + XGBoost 0.80, 0.90, 1.0, 1.1, 1.2, 1.3, 1.4):
pip install tox
tox
The Research Behind
In the flowing blog post we describe the research that has been done to understand the DMatrix format and creating this library: DMatrix to Numpy Research