combust/mleap

CountVectorizer from Scikit Learn is not supported

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#332 opened on Feb 12, 2018

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 (1 comment) (0 reactions) (0 assignees)Scala (1,461 stars) (312 forks)batch import
enhancementhelp wanted

Description

I have a NLP pipeline implemented in Scikit-learn and I wanted to to use MLeap to convert to Bundle.ML and deploy it as a service. But looks like CountVectorizer is not supported!

Contributor guide

Tech stack
scalascikit learn
Domain
machine learning
Issue type
feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-2 days
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
stale
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
clear
Prerequisites
ScalaMLeap internalsscikit learnMachine learning pipelines
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
40
Research direction
Review existing MLeap serializers for other scikit learn transformers to understand the pattern. Implement a serializer for CountVectorizer following the same conventions. Add corresponding unit tests and integration tests. Ensure compatibility with the scikit learn API.