[dask] Dask Vector types for group, init_score, sample_weights (fixes #4375) #4380
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jameslamb
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Addresses #4375 - removes
Dask DataFrametype option for DaskLGBM estimators'group,init_score, andsample_weightsparameters. These must be 1-d distributed vectors, cannot be 2-d.To be honest I was kind of torn grammatically between "
Dask Array or Dask Series or None, optional (default=None)" and "Dask Array, Dask Series, or None, optional (default=None)". Welcome an opinion on this!