set to 'median' or 'mode' to use posterior median/mode instead of mean
cint
probability for highest posterior density interval
Value
a data frame, matrix, or vector with posterior summaries for the requested quantity, plus an attribute 'draws' that has all the posterior draws for that quantity. For type='fitted' and type='fitted.ind' this attribute is a 3-dimensional array representing draws x observations generating predictions x levels of Y.