Setup y-index for dense data
pffr_setup_yind_dense(
yind,
yind_missing,
nyindex,
where_specials,
terms,
eval_env,
frml_env,
data,
yind_expr = NULL
)A list with yind, yind_name.
The yind argument (may be missing).
Logical, whether yind was missing in call.
Number of y-index points.
List of special term indices.
List of parsed terms.
Evaluation environment.
Formula environment.
The data argument.
The yind expression from the original `pffr()` call (used only for naming/lookup; optional).