Extract variable from draws table as a matrix

Extract variable from draws table as a matrix

Usage

extract_stan_posterior_matrix(draws_df, varname)

Arguments

draws_df

Table in draws_df format

varname

Variable name that corresponds to multiple columns in format var[1], var[2], etc. Can be written directly varname or as a string "varname".

Value

Matrix

Examples

data(aiq_draws)
cutpoints <- extract_stan_posterior_matrix(aiq_draws, cutpoints)

# same but using string
cutpoints <- extract_stan_posterior_matrix(aiq_draws, "cutpoints")