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mlr-org / mlr3misc

Miscellaneous helper functions for mlr3
https://mlr3misc.mlr-org.com
GNU Lesser General Public License v3.0
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unnest: does not work with non-scalar columns #31

Closed berndbischl closed 4 years ago

berndbischl commented 4 years ago

it is the underlying issue reported here https://github.com/mlr-org/mlr3tuning/issues/201

i guess the case / problem is very clear

a) we document this at least as a restriction that unnesting non-scalar columns is not possible b) probably better: unnest the rest into individual list-columns

mllg commented 4 years ago

https://github.com/mlr-org/mlr3misc/pull/32

Does this help?

@mb706

berndbischl commented 4 years ago

i tested in mlr3tuning with the branch. it works