extract_variable_matrix {posterior} | R Documentation |
Extract an iterations x chains matrix of draws of a single variable.
This is primarily used for convergence diagnostic functions such as rhat()
.
extract_variable_matrix(x, variable, ...) ## Default S3 method: extract_variable_matrix(x, variable, ...) ## S3 method for class 'draws' extract_variable_matrix(x, variable, ...) ## S3 method for class 'draws_rvars' extract_variable_matrix(x, variable, ...)
x |
(draws) A |
variable |
(string) The name of the variable to extract. |
... |
Arguments passed to individual methods (if applicable). |
A matrix
with dimension iterations x chains.
x <- example_draws() mu <- extract_variable_matrix(x, variable = "mu") dim(mu) rhat(mu)