I am trying to understand how to properly use the ‘dims’ and ‘shape’ in the hierarchical modeling. I am attempting to build a Hierarchical marketing mix model for 10 promotional channels, 4 control variables across 5 regions throughout a time period of 24 months. Here is sample code to mimic how I…

Dimension error for Hierarchical model

ricardoV94 April 13, 2023, 11:13am 9

The distribution shape as to agree with the input shapes. See Distribution Dimensionality — PyMC 5.2.0 documentation for more details

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