This paper describes a general model that subsumes many parametric models for continuous data. The model comprises hidden layers of state-space or dynamic causal models. arranged so that the output of one provides input to another. The ensuing hierarchy furnishes a model for many types of data. https://www.lightemupsequences.com/mega-sale-Sky-Blue-Jade-Gemstone-Bracelet-with-Inner-Beauty-Sterling-Silver-Charm-mega-offer/