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Can RDMatrix convert to DMatrix? #249

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Jeffwan opened this issue Dec 6, 2022 · 2 comments
Closed

Can RDMatrix convert to DMatrix? #249

Jeffwan opened this issue Dec 6, 2022 · 2 comments

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@Jeffwan
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Jeffwan commented Dec 6, 2022 •
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Is there an API to use to convert the two types easily? If so, any examples available?
@Yard1
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Yard1 commented Dec 6, 2022 •
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No, converting a RayDMatrix to a DMatrix would go against the purpose of the former. RayDMatrix is a wrapper around a data source that allows it to be sharded for each worker. Each of the workers then internally initializes a DMatrix from its shard of the data. If you want to modify the actual training code, refer to #248 (comment)

@Jeffwan
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Jeffwan commented Dec 7, 2022

@Yard1 Thanks for the details. I will close this one now and let's discuss more details in #248

@Jeffwan Jeffwan closed this as completed Dec 7, 2022
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@Jeffwan @Yard1