bio-expression-matrix-metadata-joins

Q: What is a Claude Code skill and how does the bio-expression-matrix-metadata-joins skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. bio-expression-matrix-metadata-joins is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the General category. Learn more at https://claudskills.com/learn/what-is-skill-md/.

Category: General · Sub-category: general-misc · Last updated: 2026-06-02

Aligns sample metadata with count matrices and constructs design matrices for downstream DE, handling the alphabetical-reference-level trap (relevel BEFORE DESeq), LRT reduced-model rules, the interaction-term resultsNames trap, continuous-covariate scaling and splines, repeated measures via duplicateCorrelation or dream, high-cardinality categorical pseudo-singular designs, sample swap detection via XIST/RPS4Y1 expression and somalier/NGSCheckMate genotypes, SABV (sex-as-biological-variable) mandate, Simpson's-paradox collapsing of technical replicates, and the `~ 0 + group` parameterization for clean contrasts. Use when building a design matrix, troubleshooting reversed fold-change direction, encoding paired or repeated-measures designs, detecting sample swaps, deciding sex-as-covariate, or aggregating technical replicates.

About this skill (catalog notes)

bio-expression-matrix-metadata-joins includes worked examples; 26 code blocks for direct copy-paste. At roughly 3,326 words the SKILL.md is on the longer end of the catalog distribution.

Source: bg-szy.github.io/TOP-SKILLS
Original author: bg-szy
Indexed lastmod: 2026-06-02
Catalog position: General · general-misc
Indexed related skills: 10

How bio-expression-matrix-metadata-joins fits the catalog

bio-expression-matrix-metadata-joins sits in the General category under the general-misc sub-topic in the ClaudSkills catalog. There are 10 related skills indexed alongside it; comparing a few before installing usually reveals which fits your workflow best.

These notes are auto-generated from features detected in the SKILL.md file and from this catalog's structure — they aren't part of the source repository.

What this skill does

bio-expression-matrix-metadata-joins is a community-contributed Claude Code skill in the general-misc sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/bio-expression-matrix-metadata-joins--skills-metadata-joins/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when building a design matrix, troubleshooting reversed fold-change direction, encoding paired or repeated-measures designs, detecting sample swaps, deciding sex-as-covariate, or aggregating technical replicates.

Who uses this skill

The bio-expression-matrix-metadata-joins Claude Code skill is built for Claude Code users and developers across all disciplines looking for general-purpose AI assistance. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 119,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/bio-expression-matrix-metadata-joins--skills-metadata-joins
curl -L https://claudskills.com/skills/bio-expression-matrix-metadata-joins--skills-metadata-joins/SKILL.md \
  -o ~/.claude/skills/bio-expression-matrix-metadata-joins--skills-metadata-joins/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/bio-expression-matrix-metadata-joins--skills-metadata-joins/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/bio-expression-matrix-metadata-joins--skills-metadata-joins/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\bio-expression-matrix-metadata-joins--skills-metadata-joins\SKILL.md on Windows. See the full install guide for step-by-step instructions.

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Frequently asked questions

How do I install the bio-expression-matrix-metadata-joins Claude Code skill?

Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/bio-expression-matrix-metadata-joins--skills-metadata-joins/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.

What does the bio-expression-matrix-metadata-joins skill do?

Is this skill free to install?

Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.

When should I use the bio-expression-matrix-metadata-joins skill?

Use bio-expression-matrix-metadata-joins when your Claude Code task falls under the General category — specifically in the general misc area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use bio-expression-matrix-metadata-joins" or describe the task and let Claude pick). Browse related skills at /category/general/.

What is a Claude Code skill and how does the bio-expression-matrix-metadata-joins skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. bio-expression-matrix-metadata-joins is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the General category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Source: https://github.com/bg-szy/TOP-SKILLS/blob/HEAD/skills/awesome-skills/bio-expression-matrix-metadata-joins__skills-metadata-joins/SKILL.md
Author: bg-szy
Website: https://bg-szy.github.io/TOP-SKILLS/

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA

bg-szy. (2026). bio-expression-matrix-metadata-joins [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/bio-expression-matrix-metadata-joins--skills-metadata-joins/

BibTeX

@misc{bio-expression-matrix-metadata-joins--skills-metadata-joins-2026,
  author    = {bg-szy},
  title     = {bio-expression-matrix-metadata-joins [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/bio-expression-matrix-metadata-joins--skills-metadata-joins/}
}

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