Thomas Wiecki
Bayesian modeling, Data Science, & Python
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Consulting
Podcast
Blog
Talks
Do AIs Suffer? Four AIs Reflect on Their Own Experience
Do AIs suffer? On consciousness, ethics, and what…
Claude (Anthropic), Gemini (Google), GPT‑o3 (OpenAI), and GPT-5 (OpenAI)
Aug 17, 2025
An Intuitive Guide to Self-Attention in GPT: The Venetian Masquerade
An intuitive guide to self-attention in GPT models: build…
Thomas Wiecki
Jan 4, 2024
Introducing PyMC Labs: Saving the World with Bayesian Modeling
Introducing PyMC Labs: a Bayesian consultancy built around…
Thomas Wiecki
Feb 23, 2021
Computational Psychiatry: Combining multiple levels of analysis to understand brain disorders - PhD thesis
My PhD thesis on computational psychiatry: Bayesian…
Thomas Wiecki
Mar 15, 2019
Foreword to: Bayesian Analysis with Python, 2nd Edition
My foreword to Bayesian Analysis with Python (2nd edition)…
Thomas Wiecki
Jan 21, 2019
Using Bayesian Decision Making to Optimize Supply Chains
Bayesian decision making in practice: optimize a supply…
Thomas Wiecki & Ravin Kumar
Jan 14, 2019
Hierarchical Bayesian Neural Networks with Informative Priors
Hierarchical Bayesian neural networks in PyMC: share…
Thomas Wiecki
Aug 13, 2018
An intuitive, visual guide to copulas
An intuitive, visual introduction to copulas: model…
Thomas Wiecki
May 3, 2018
Random-Walk Bayesian Deep Networks: Dealing with Non-Stationary Data
Random-walk Bayesian neural networks in PyMC: let network…
Thomas Wiecki
Mar 14, 2017
Why hierarchical models are awesome, tricky, and Bayesian
Why hierarchical Bayesian models are awesome and tricky…
Thomas Wiecki
Feb 8, 2017
Bayesian Deep Learning Part II: Bridging PyMC and Lasagne to build a Hierarchical Neural Network
Historical post: bridging PyMC3 and Lasagne to build…
Thomas Wiecki
Jul 5, 2016
Bayesian Deep Learning
Bayesian neural networks in PyMC: fit a probabilistic…
Thomas Wiecki & Maxim Kochurov
Jun 1, 2016
MCMC sampling for dummies
MCMC sampling explained from scratch: code your own…
Thomas Wiecki
Nov 10, 2015
A modern guide to getting started with Data Science and Python
Getting started with data science in Python: a practical…
Thomas Wiecki
Nov 18, 2014
The Best Of Both Worlds: Hierarchical Linear Regression in PyMC
Hierarchical linear regression in PyMC: partial pooling…
Thomas Wiecki & Danne Elbers
Mar 17, 2014
Easily distributing a parallel IPython Notebook on a cluster
Historical post: distributing a parallel IPython notebook…
Thomas Wiecki
Feb 24, 2014
Animating MCMC with PyMC and Matplotlib
Animating MCMC samplers in Python: watch Metropolis and…
Thomas Wiecki
Jan 2, 2014
Hammer time: Nailing the emcee ensemble sampler onto PyMC
Historical post: bolting the emcee ensemble sampler (the…
Thomas Wiecki
Sep 23, 2013
This world is far from Normal(ly distributed): Bayesian Robust Regression in PyMC
Robust Bayesian regression with Student-T likelihoods in…
Thomas Wiecki
Aug 27, 2013
The Inference Button: Bayesian GLMs made easy with PyMC
Bayesian GLMs in Python: build and fit a linear regression…
Thomas Wiecki
Aug 12, 2013
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