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.