Lab / MCMC Visualizer
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MCMC Visualizer

Watch Metropolis-Hastings and Hamiltonian Monte Carlo explore 2D probability distributions. See trace plots, autocorrelation, acceptance rates, and effective sample sizes update in real-time.

x Trace
Marginals
y Trace
Autocorrelation
Statistics
Samples:0
Effective (after burn-in):0
Accept rate:0%
ESS (x):0
ESS (y):0
Mean x:-
Mean y:-
Var x:-
Var y:-
Legend
Accepted samples
Rejected proposal

Implements Metropolis-Hastings and HMC from scratch. All computation runs in your browser.