[IGNITE-12217] [ML] Add support for label encoding

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.8
• Fix Version/s: 2.8
• Component/s: ml
• Ignite Flags: Docs Required, Release Notes Required
• Assignee: Alexey Zinoviev
• Reporter: Alexey Zinoviev
• Created: 23/Sep/19 10:25
• Updated: 29/Apr/20 09:39
• Resolved: 06/Oct/19 13:43

Description

Support handling of training on Mushroom dataset

See part of the discussion: "My dataset is Mushrooms
<https://www.kaggle.com/uciml/mushroom-classification> dataset from Kaggle.
There are only categorial features and categorical labels."