Constructs a character representation of the random effects formula
for fitting a MMRM for subject by visit in the format required for mmrm::mmrm()
.
Usage
random_effects_expr(
cov_struct = c("us", "toep", "cs", "ar1"),
cov_by_group = FALSE
)
Constructs a character representation of the random effects formula
for fitting a MMRM for subject by visit in the format required for mmrm::mmrm()
.
random_effects_expr(
cov_struct = c("us", "toep", "cs", "ar1"),
cov_by_group = FALSE
)