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Samples the calibration model from the prior only (no data enter the likelihood), so that the curves it implies on the probability scale can be checked before the model is fitted. Plot them with plot_calibration().

Usage

prior_predictive_calibration(formula, validations, prior, ...)

Arguments

formula

Calibration formula (see calibration_models()).

validations

Table returned by read_validations().

prior

Prior, e.g. from calibration_prior().

...

Further arguments for brms::brm() (e.g. chains, iter, backend, seed).

Value

A brmsfit sampled from the prior, usable in plot_calibration().