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--- tests:astropars:challenge3 [2014/10/31 13:53] – [GSP-Phot vs. SICK] randrae
+++ tests:astropars:challenge3 [2022/10/24 12:26] (current) – external edit 127.0.0.1
@@ Line 27: / Line 27: @@
 == Examples of posterior samples ==
-  * MCMC usually converge quickly (given a good initial guess).
+  * Posterior distributions mostly well behaved for BP/RP, i.e., fast convergence, unimodal.
+  * Even in simple case the posteriors cannot be well approximated by a Gaussian.
+  * Rare examples with multimodal posterior.
 {{:tests:example-MCMC-unimodal.png|}}