aggregate cariables of a single simulaiton by decile

Usage

agg_by_deciles(
  dta,
  policy_name = NA_character_,
  dec_by,
  dec_vars,
  n_dec = 10,
  wt_var = NULL,
  get_var_fn = get_var_nm,
  dec_min_level = NULL,
  dec_max_level = NULL,
  ...
)