Bayesian Methods for Hackers by CamDavidsonPilon

aka "Bayesian Methods for Hackers": An introduction to Bayesian methods + probabilistic programming with a computation/understanding-first, mathematics-second point of view. All in pure Python ;)

bayesian-methodspymcmathematical-analysisjupyter-notebookdata-sciencestatistics
Verdict 63/100 health $4.13/mo cheapest, hetzner 2/5 setup difficulty

Self-host Bayesian Methods for Hackers on hetzner CAX11 for $4.13/mo.

Health score
63 /100
6-dim composite
Self-hosts from
$4.13 /mo
hetzner · CAX11
Difficulty
2 /5
Docker + read README
GitHub stars
28k
7.9k forks

About Bayesian Methods for Hackers

From the project's README at github.com/CamDavidsonPilon/Probabilistic-Programming-and-Bayesian-Methods-for-Hackers. Lightly cleaned for readability; for the full source see the upstream repo.

The Bayesian method is the natural approach to inference, yet it is hidden from readers behind chapters of slow, mathematical analysis. The typical text on Bayesian inference involves two to three chapters on probability theory, then enters what Bayesian inference is. Unfortunately, due to mathematical intractability of most Bayesian models, the reader is only shown simple, artificial examples. This can leave the user with a so-what feeling about Bayesian inference. In fact, this was the author's own prior opinion.

After some recent success of Bayesian methods in machine-learning competitions, I decided to investigate the subject again. Even with my mathematical background, it took me three straight-days of reading examples and trying to put the pieces together to understand the methods. There was simply not enough literature bridging theory to practice. The problem with my misunderstanding was the disconnect between Bayesian mathematics and probabilistic programming. That being said, I suffered then so the reader would not have to now. This book attempts to bridge the gap.

If Bayesian inference is the destination, then mathematical analysis is a particular path towards it. On the other hand, computing power is cheap enough that we can afford to take an alternate route via probabilistic programming. The latter path

Health score breakdown

6-dimension composite. See methodology for formula and weights.

activity
80
maturity
30
community
71
security
70
sustainability
88
adoption
43

Adoption signals

Real-world usage data, pulled from each registry. The bigger the numbers, the more battle-tested the project.

SignalValueSource
GitHub stars 28k github.com/CamDavidsonPilon/Probabilistic-Programming-and-Bayesian-Methods-for-Hackers
GitHub forks 7.9k github.com/CamDavidsonPilon/Probabilistic-Programming-and-Bayesian-Methods-for-Hackers

Release & maintenance

Is this project actively maintained, or about to die? Check the recency of last commit and last release.

Project age13.3 yearssince Jan 2013
Last commit1.9 years agoJun 25, 2024
Funding links1declared by maintainers

Self-hosting cost across providers

Detected requirements: 4GB RAM, 40GB disk minimum. Cheapest plan per provider that meets the requirement.

ProviderPlanSpecsMonthly
hetzner CAX11 2c · 4GB · 40GB $4.13 USD Deploy →
vultr VC2 1c · 1GB · 25GB $5 USD Deploy →
linode Nanode 1GB 1c · 1GB · 25GB $5.12 USD Deploy →
digitalocean Basic Regular 1GB 1c · 1GB · 25GB $6 USD Deploy →

Ready to self-host Bayesian Methods for Hackers?

Spin up a hetzner CAX11 (4GB RAM, 40GB disk) for $4.13/mo and follow the project's official install docs.

Data last refreshed May 7, 2026.

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