tensorflow / tensorflow/probability
[Feature Request] Zero-Inflated Poisson and Negative Binomial distributions
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distributions/bijectors
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Description
Are there any plans to add a Zero-Inflated Poisson (ZIP) and Zero-Inflated Negative Binomial (ZINB) to TFP? Those are usually very common distributions in other packages, and it shouldn't be hard to implement.
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
The issue requests Zero-Inflated Poisson and Zero-Inflated Negative Binomial distributions in TFP but names no files, tests, or entry points. Review existing distribution support and project contribution guidance first, then define the implementation scope and tests needed for both distributions before starting.
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Assessment
- Domain
- machine-learning
- Issue type
- Feature
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100