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LightGBM Error, code is -1, error message is 'bad allocation' #3340
Source code / logs
No additional logs recorded,
This is something coming from LightGBM side.
If you can scramble small repro we can pass it to LightGBM folks
Also not sure why you using:
The code comes from
I added only normalisation and used NameOf instead of strings, see sample code on #3290
That sample is definitely confusing. Good thing we rewriting it.
So you have following pipeline:
You have original data where labels are strings and features are vector of floats.
By running trainer we will pop up two more columns
If you want to get original values back (from Key type for