Chainsail
sampling multimodal distributions made easy
Chainsail helps to sample multimodal distributions by implementing an automatically scaling Replica Exchange MCMC algorithm. All you need to provide is a Python module defining your probability density and its log-probability gradient.
This beta version of Chainsail is free. Please e-mail us to get your account authorized. Do ask us for a live demo!
The Chainsail resources repository contains some background on the algorithms used in Chainsail and a complete walk-through. Also see our blog posts for details on the algorithms at work in Chainsail:
Give it a whirl
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