[Image 1] [image 2] in image 1 as my observed value are always greater than zero still i took likelihood as normal distribution in image 2 i changed my likelihood to exponential distribution and i also tried with gamma also now my question is as in image 1 , i have extra predictions which are …

Doubt regarding az.plot_ppc(trace)

Keith_Min February 10, 2025, 4:46am 9

I mean the actual observed values. Didn’t you say they were counts? I’m assuming y has lots of zeros?

Topic		Replies	Views
Modeling count time series (Negative Binomial VS Normal) Questions	2	1048	March 25, 2020
Sample_prior_predictive doesn't work with Negative Binomial likelihood Questions	4	474	March 31, 2020
Interpreting beta-binomial parameterisation/posterior Questions	2	718	August 6, 2020
Samples from prior appear to have wrong distribution Questions	2	606	October 8, 2018
Biased (?) results from Poisson regression model Questions	4	1192	January 17, 2020