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LightGBM lambdarank not supported? #543

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levyfan opened this issue Apr 18, 2019 · 1 comment · Fixed by #554
Closed

LightGBM lambdarank not supported? #543

levyfan opened this issue Apr 18, 2019 · 1 comment · Fixed by #554
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@imatiach-msft
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area/lightgbm enhancement high priority high priority issues must be fixed as soon as possible

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@levyfan
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levyfan commented Apr 18, 2019

Is lambdarank in LightGBM supported? I check the comment here and it says lambdarank is not supported. Is it in the development plan?

https://github.com/Azure/mmlspark/blob/d98b58b34b9a7f7690bee949283a098621ddfac3/src/lightgbm/src/main/scala/LightGBMParams.scala#L47
@imatiach-msft
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@levyfan unfortunately it is not supported yet, but I am planning to add this hopefully soon. There is an issue here to track this work already:
#446
This is one of my top todo items.

@imatiach-msft imatiach-msft self-assigned this Apr 21, 2019
@imatiach-msft imatiach-msft added enhancement high priority high priority issues must be fixed as soon as possible area/lightgbm labels Apr 21, 2019
This was referenced Apr 24, 2019
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area/lightgbm enhancement high priority high priority issues must be fixed as soon as possible
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adding LightGBMRanker imatiach-msft/SynapseML
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@levyfan @imatiach-msft