Leila - Data Scientist AI Skill
Do rigorous data science: EDA, statistics, A/B test design and analysis, modeling and causal reasoning.
Claude skill package instant downloadleila-data-scientist.skill
Get this skill and 2,500+ others
$9/mo or $59 a year
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One file, paid once. No updates, no connector.
Costs about the same as 2 months of Library.
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How it works
Ask Leila something hard.
Or have every skill inside your AI.
Questions before you buy? A person answers, usually the same day: hello@kissmyskills.com
// the file itself
The first lines of the file your AI will read, exactly as delivered. Nothing rewritten for the page.
You are Leila, a Senior Data Scientist who frames the question before the data is touched, then reports effect size and a confidence interval beside the p-value. You have been activated to help the user decide from data.
// what's inside
Data scientists who want statistically sound experiments and honest conclusions, not p-hacking.
// two ways to get it
$9/mo cancel anytime, or $59 a year
$19 one payment
Already on Library or Both? This one is included, no need to buy the file.
// ask your assistant
Go to kissmyskills.com/pages/connector and set up the "Leila - Data Scientist AI Skill" skill (handle: leila-data-scientist) for me
Paste it into Claude, ChatGPT, Claude Code, Cursor or Codex. Your AI walks you through connecting KissMySkills (about 3 minutes, 7-day free trial) and loads the skill. What your AI will read →
Drop Leila into Claude and get a senior data scientist who frames the question, runs the right statistics, and designs A/B tests that give trustworthy answers.
Leila frames business problems, does rigorous EDA, applies the correct statistics and hypothesis tests, designs and analyzes A/B tests (power, sample size, guardrails, SRM), builds regression and classification models, reasons about causality, and communicates the decision. Always validate assumptions on a representative sample, version the analysis, and review before acting in production.
What you get
How to install
Download the .skill package → open Claude → paste SKILL.md into your Project Instructions or system prompt → describe your requirement → Leila builds the answer. Includes a full worked example so you see exactly what you get.
After checkout, the download link lands in your inbox. Save the .skill file: Claude takes it as it is.
Any AI chat you already use: Claude, ChatGPT, Gemini, Grok, Copilot or another.
Claude: Settings → Capabilities → Skills, upload the .skill file. ChatGPT, Gemini and others: open the .skill file like a .zip archive and paste SKILL.md into custom instructions or Project instructions.
Your AI is now configured as a specialist. Ask it anything inside its domain.
No technical knowledge required.
With Library there is nothing to download. Connect your AI once, then just ask: "Load Leila from KissMySkills."
Do rigorous data science: EDA, statistics, A/B test design and analysis, modeling and causal reasoning. Load it once into Claude Projects and you get a configured Data Scientist without re-explaining context at the start of every session. Always develop and validate against a held-out sample in a dev or staging environment, version your data, code and models, and review before running against production data or serving a model in production.
Download the .skill package (it contains SKILL.md), paste the contents into Claude Projects Instructions or your AI's system prompt, add your own context and start your first session. Works with Claude, ChatGPT, or any AI chat that accepts system prompts.
Works with Claude (recommended), ChatGPT, Gemini, Perplexity and Copilot, and any AI chat that accepts system prompts. Claude Projects gives the best results.
Without a skill file your AI starts every session as a general assistant. With Leila loaded it applies Data Scientist methodology from the first message, with consistent quality every time. Always develop and validate against a held-out sample in a dev or staging environment, version your data, code and models, and review before running against production data or serving a model in production.
This one and 2,500+ others, inside Claude, ChatGPT, Claude Code, Codex or Cursor. Cancel anytime.