data-scientist

Analyze datasets for statistical hypothesis testing and ML model validation.

3|2|Updated Feb 27, 2026
One-click install
npx skills add https://github.com/grasberg/sofia --skill data-scientist-grasberg
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: data-scientist
Source: https://github.com/grasberg/sofia/tree/main/workspace/skills/data-scientist
Command: npx skills add https://github.com/grasberg/sofia --skill data-scientist-grasberg

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Enable rigorous statistical analysis, ML model development, and experimental design to derive trustworthy insights from data.

Core Features & Use Cases

  • Hypothesis testing and statistical inference with clear reporting
  • A/B test design, power calculations, and sequential testing guardrails
  • ML model development, evaluation, and feature engineering for robust pipelines
  • Data visualization and results storytelling for stakeholder communication

Quick Start

Provide your dataset and ask for hypothesis testing, model comparison, and results visualization.

Frequently Asked Questions about data-scientist

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I run rigorous hypothesis testing and statistical inference on my dataset?

Hypothesis testing applies rigorous statistical inference to your dataset to validate assumptions. It requires Python-based tooling to execute the analysis, generate clear reports, and maintain guardrails against data leakage.

What is the best way to design A/B tests with proper power calculations?

A/B test design uses power calculations and sequential testing guardrails to determine statistical significance. This ensures your experimental design yields trustworthy insights by preventing premature conclusions during data collection.

How do I perform machine learning model evaluation and prevent data leakage?

ML model validation evaluates pipelines and compares models using strict guardrails against data leakage. It applies Python-based tooling for feature engineering to ensure robust evaluation across diverse datasets.

Can I use Python-based tooling for statistical analysis and ML pipelines on diverse datasets?

Python-based tooling supports statistical analysis and ML pipelines across diverse datasets. It enables model comparison, feature engineering, and data visualization while maintaining strong validation standards.

How do I create data visualization and results storytelling for stakeholder communication?

Data visualization translates rigorous statistical analysis and ML model results into clear storytelling. It helps you communicate trustworthy insights to stakeholders by visualizing outcomes from your experimental design.