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scikit-learn__scikit-learn-14092

Based on the issue description, I can understand the problem and create the appropriate patch. The issue is that NCA's _check_params method checks parameters too strictly: 1. It checks isinstance(tol, float) which fails when tol=1 (an int)…

  • Skills
  • AI research
  • 5

What it does and how to use it

A skill that teaches Claude Code to do ai research tasks well. It is packaged knowledge the model uses whenever it is relevant.

  1. Install the skill (command above).
  2. In Claude Code, describe what you need - the skill turns on by itself when the context fits.
  3. No commands to memorize: you talk in plain language and the skill does the rest.

Install (Claude Code)

mkdir -p .claude/skills/scikit-learn-scikit-learn-14092 && curl -fsSL https://doutorai.pt/data/lib/skills__scikit-learn-scikit-learn-14092.md -o .claude/skills/scikit-learn-scikit-learn-14092/SKILL.md

Paste this command into the terminal, in your project folder, and the component installs automatically.

Content

Based on the issue description, I can understand the problem and create the appropriate patch. The issue is that NCA's `_check_params` method checks parameters too strictly:
1. It checks `isinstance(tol, float)` which fails when `tol=1` (an int)
2. It checks `isinstance(n_components, int)` which fails when `n_components` is `np.int64`

The fix is to use `numbers.Integral` and `numbers.Real` from the `numbers` module instead of `int` and `float` directly. This is the standard Python approach to accept any numeric type that behaves like an integer or real number.

Based on the issue description 

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