microsoft / microsoft/SynapseML

Request for -invert-hash type feature as in Vowpal Wabbit.

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area/vowpal-wabbit feature-request
Dominant language
Scala
Stars
5.2k
Forks
868
Avg merge
22h 9m
Merged PRs (30d)
45

Description

Is your feature request related to a problem? Please describe.
The getReadableModel() gives hash with the weight. The PR https://github.com/microsoft/SynapseML/pull/821 does refer to the requested feature but it was not committed.

Describe the solution you'd like
We want feature: weight

Additional context
Similar to -invert-hash of vowpal wabbit.

AB#1884838

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reviewing the getReadableModel() entry point and the referenced PR #821 to understand the proposed -invert-hash behavior. The feature is done when the model output provides weight-to-feature information comparable to the requested Vowpal Wabbit behavior, with the expected format established.

Written by the indexing model from the issue text.

Assessment

Tech stack
scala, spark
Domain
machine-learning
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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