acceptance ratio
—
n = 0
modes visited: 0 / 4
click the plot to drop the chain there →
trace of x-coordinate (flat = stuck, hopping = mixing)
x-coordinate: sampled (bars) vs. true marginal P(x) (yellow)
the target's x-marginal — 4 blobs share 2 x-values, so 2 humps
target
4 blobs (separated)
3 blobs (triangle)
2 blobs (far apart)
sampler
Metropolis–Hastings
Gibbs
proposal σ
0.40
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