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returned support for sparse matrixes (which was depricated) #310

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@iamrinni iamrinni commented Nov 25, 2019

In current version support of sparse matrixes was unexpectedly depricated and data conversion was switched to DMatrix function only, which returns this message if we try to add sparse matrix as input data:

[

raise ValueError('Input data must be numpy.ndarray or pandas.DataFrame')
]

As previous interface included support and conversion of sparse matrixes, it would be a good point to keep it working.
Also it might be that DMatrix function itself could be performed to be able to solve this issue.

fixed previous sparse matrix processing addings

remove temp files for training
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iamrinni commented Dec 9, 2019

@aksnzhy @etveritas hi! any updates with it?

@orenov
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orenov commented May 28, 2020

@aksnzhy @etveritas Any updates on this?

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