Internal function to handle pairwise CCC estimation for each method pair.
ccc_lmm_reml_pairwise(
df,
fml,
response,
rind,
method,
time,
slope,
slope_var,
slope_Z,
drop_zero_cols,
Dmat,
ar,
ar_rho,
max_iter,
tol,
conf_level,
verbose,
digits,
use_message,
extra_label,
ci,
ci_mode_int,
all_time_lvls,
Dmat_type = c("time-avg", "typical-visit", "weighted-avg", "weighted-sq"),
Dmat_weights = NULL,
Dmat_rescale = TRUE,
vc_select = c("auto", "none"),
vc_alpha = 0.05,
vc_test_order = c("subj_time", "subj_method"),
include_subj_method = NULL,
include_subj_time = NULL,
sb_zero_tol = 1e-10
)