Create a function to draw from the expected value of the posterior predictive distribution for a model

This function creates a function that calculates the expected value of the posterior predictive distribution for a latent model. The returned function takes a prep argument (from brms) and returns posterior expected values. This is used internally by brms::posterior_epred() to calculate expected values for latent models.

Usage

epidist_gen_posterior_epred(family)

Arguments

family

A description of the response distribution and link function to be used in the model. Every family function has a link argument allowing users to specify the link function to be applied on the response variable. If not specified, default links are used. For details of all supported families see brmsfamily(). Commonly used, such as lognormal(), are also reexported as part of epidist.

Value

A function that takes a prep argument from brms and returns a matrix of posterior expected values, with one row per posterior draw and one column per observation.

See also

brms::posterior_epred() for details on how this is used within brms.

Other gen: epidist_gen_log_lik(), epidist_gen_posterior_predict()