[IGNITE-11478] [ML] Use new vectorizer API in Trainers

• Type: Improvement
• Status: Resolved
• Priority: Critical
• Resolution: Duplicate
• Component/s: ml
• Labels: stability
• Release Note: Move Trainers to the new Vectorizer API
• Flags: Important
• Ignite Flags: Docs Required, Release Notes Required
• Assignee: Alexey Platonov
• Reporter: Alexey Platonov
• Created: 05/Mar/19 11:45
• Updated: 14/Jan/20 10:19
• Resolved: 21/Mar/19 14:46

Description

We should rewrite current trainers - exclude all "free"-feature/labels extractors from APIs and use new vectorizer in them.

Issue Links

• is a child of: IGNITE-11449 [ML] Umbrella: API for Feature/Label extracting (part 1)