map_labels in BatchGenerator
The new BatchGenerator interface in the dev branch has a new argument map_labels with default value True.
Its effect is to map labels like 2,5,7 to 0,1,2. It determines which labels are present by searching the input table.
However, in my workflow I often place samples with different labels in different tables. So, for binary classification for example, I have one table for positives and one for negatives. I create one Batch generator for each and combine them using the JointBatchGenerator. For this workflow, setting map_labels=True results in all samples receiving label 0 which is not great. For such workflows, the mapping would have to be done by the JointBatchGenerator.
@bpadovese , do you see an easy way to fix this?
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