I have read arviz.plot_ppc and pymc3.waic(although it is out-of-date). I still cannot understand the usage of ppc, and this is my code. r_CH4_obs = r_2 + r_3 + r_4 r_CO_obs = - r_3 - r_4 + r_1 r_CO2_obs = - r_2 + r_4 - r_1 ##Likelihood function r_CH4_likehood = pm.Normal('r_CH4…

Question about ppc and waic

bwengals September 2, 2021, 3:21pm 2

For insight on how to calculate WAIC and on how to deal with multiple likelihoods, I’d refer you to this really great answer by @OriolAbril.

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