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feat: add stats/incr/nanrss #9902

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@kanikasharma-18 kanikasharma-18 commented Jan 26, 2026

Resolves #5622

Description

What is the purpose of this pull request?

This pull request:-

  • Adds an incremental residual sum of squares (RSS) accumulator.

  • Ignores NaN input values during accumulation.

  • Returns the previously accumulated RSS when inputs contain NaN

  • Passes all existing test cases and maintains backward compatibility.

Other

Any other information relevant to this pull request? This may include screenshots, references, and/or implementation notes.
Result of tests:-

Screenshot 2026-01-26 at 1 32 03 PM

Result for benchmark:-

Screenshot 2026-01-26 at 1 32 57 PM

Checklist

Please ensure the following tasks are completed before submitting this pull request.

AI Assistance

When authoring the changes proposed in this PR, did you use any kind of AI assistance?

  • Yes
  • No

If you answered "yes" above, how did you use AI assistance?

  • Code generation (e.g., when writing an implementation or fixing a bug)
  • Test/benchmark generation
  • Documentation (including examples)
  • Research and understanding

@stdlib-js/reviewers

@kanikasharma-18
fix(stats/incr/nanmme): handle NaN in nanmme accumulator
b2bc7a5 
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fix(stats/incr/nanmme): fix review changes
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fix: review changes
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feat: add nanrss for handling NaN
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@stdlib-bot stdlib-bot added Statistics Issue or pull request related to statistical functionality. First-time Contributor A pull request from a contributor who has never previously committed to the project repository. labels Jan 26, 2026
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stdlib-bot commented Jan 26, 2026

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[RFC]: add stats/incr/nanrss

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