brms predictions as draws
predictions_as_draws.Rd
Create predictions using brms functions and convert them into draws format
Usage
predictions_as_draws(
x,
predict_fn,
prediction_names = NULL,
warn_dims = getOption("priorsense.warn", TRUE),
...
)
Arguments
- x
brmsfit object
- predict_fn
function for predictions
- prediction_names
optional names of the predictions
- warn_dims
throw a warning when coercing predict_fn's output from 3 margins to 2 margins?
- ...
further arguments passed to predict_fn
Examples
library(brms)
#> Loading required package: Rcpp
#> Loading 'brms' package (version 2.21.0). Useful instructions
#> can be found by typing help('brms'). A more detailed introduction
#> to the package is available through vignette('brms_overview').
#>
#> Attaching package: ‘brms’
#> The following object is masked from ‘package:stats’:
#>
#> ar
if ("log_prior_draws.brmsfit" %in% methods(log_prior_draws) &&
("log_lik_draws.brmsfit" %in% methods(log_lik_draws))) {
fit <- brm(
yield ~ N * P * K,
data = npk,
prior = prior(normal(0, 1), class = "b"),
refresh = 0
)
powerscale_sensitivity(
fit,
variable = "_pred",
prediction = function(x) predictions_as_draws(
x, brms::posterior_epred
)
)
}