Standardising the beta values from a `brms` object

The purpose of this function is to created standardized regression coefficients (betas) from a `brms` model.

make_standardized_betas(x, coef = "b_treated1", prob = 0.9)

Arguments

x	a brms model object (class of "brmsfit")
coef	the coefficient of interest
prob	the desired confidence interval