Hi, I am new to pymc and I am trying to understand how to build time series models. I am starting with an AR1 model where I am trying to replicate what the already available AR distribution in pymc gives us. This is to help me understand how to use scan to iterate through a time series and how I am…

A few specific comments about your 3rd implementation: The concatenate fails because you need to add a dummy batch index to init. pt.concatenate([init[None], upd], axis=0]) should work. What you’re implementing is quite close to the OLS formulation of AR, which would look something like this: wit…

Implementing a manual AR1 model

Questions v5

AlexAndorra May 9, 2025, 1:15pm 6

Good catch @drbenvincent !

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Implementing a manual AR1 model

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