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I found some bayesian paper try to draw the scatter plot matrix for the parameters.

I just wondering what is the goal to draw this scatter plot matrix?

what is the meaning if I see some linear or nonlinear relationships between samples.

Thanks enter image description here

hard worker
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  • Check for correlated parameters (might need reparameterization), look out for sparsely sampled regions (might either need to drop burn-in or sample longer), check for multimodality (may need reparameterization, symmetry breaking, or mixture modeling), to name a few... – merv Feb 12 '21 at 15:43

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