pymc

Build and validate Bayesian models with PyMC using MCMC sampling.

Updated Mar 10, 2026
One-click install
npx skills add https://github.com/Yezez9/Research-Agent --skill pymc-yezez9
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: pymc
Source: https://github.com/Yezez9/Research-Agent/tree/main/scientific-skills/pymc
Command: npx skills add https://github.com/Yezez9/Research-Agent --skill pymc-yezez9

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires pymc, arviz, numpy, pandas, matplotlib, and includes scripts (resource) and references (resource) and assets (resource) components.

What problem does it solve?

This Skill empowers users to build, fit, and validate sophisticated Bayesian statistical models, enabling robust inference and uncertainty quantification for complex data analysis tasks.

Core Features & Use Cases

  • Bayesian Modeling: Construct hierarchical models, regression models (linear, logistic, Poisson), and time series models.
  • Probabilistic Programming: Leverage PyMC's modern API for MCMC sampling (NUTS) and variational inference.
  • Model Validation: Perform prior and posterior predictive checks, analyze diagnostics (R-hat, ESS, divergences), and compare models using LOO/WAIC.
  • Use Case: A data scientist needs to model customer behavior with uncertainty. They can use this Skill to build a hierarchical Bayesian model that accounts for individual customer variations while learning population-level trends, providing reliable predictions with confidence intervals.

Quick Start

Use the pymc skill to build a Bayesian linear regression model for the provided data.

Frequently Asked Questions about pymc

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

FAQPage Schema
How do I build a hierarchical Bayesian model for regression analysis?

Bayesian hierarchical modeling and regression analysis are constructed by defining prior distributions and likelihood functions, then fitting the model using MCMC NUTS sampling or variational inference to quantify uncertainty.

What is probabilistic programming and when do I need it for statistical inference?

Probabilistic programming defines statistical models programmatically to perform Bayesian inference, needed when quantifying uncertainty or modeling complex dependencies that traditional frequentist approaches cannot capture.

How do I validate Bayesian models and diagnose MCMC sampling issues?

Bayesian model validation involves performing prior and posterior predictive checks, analyzing diagnostics like R-hat, ESS, and divergences, and comparing models using LOO or WAIC to ensure robust inference.

Can I use this for time series modeling and customer behavior prediction?

Time series modeling and customer behavior prediction are supported through Bayesian approaches, allowing you to learn population-level trends while accounting for individual variations to provide reliable predictions with confidence intervals.

Does this Skill work with my existing Python data stack like pandas and numpy?

The Skill works seamlessly with Python data tools, depending on numpy and pandas for data manipulation, matplotlib for visualization, and arviz for diagnostic analysis of Bayesian models.

What's the best way to compare multiple Bayesian models for robust uncertainty quantification?

Comparing Bayesian models for uncertainty quantification is best done using information criteria like LOO (Leave-One-Out cross-validation) and WAIC, which evaluate predictive accuracy and help select the most robust model.