Nothing
ALLOWED_COX_CARSCHEME <- c("simple", "permuted-block", "biased-coin")
# @title Logic for performing robincar_coxscore or robincar_logrank for time to event endpoints
# @return warning or error messages based on the user input,
# whether or not to adjust for covariates, and whether
# to account for covariate-adaptive randomization
#
# logic_CL <- ttelogic(x_exists=TRUE, z_exists=TRUE,
# car_scheme="permuted-block",
# adj_method="CL")
#
# logic_CSL <- ttelogic(x_exists=TRUE, z_exists=TRUE,
# car_scheme="permuted-block",
# adj_method="CSL")
#
# logic_coxscore <- ttelogic(x_exists=TRUE, z_exists=TRUE,
# car_scheme="permuted-block",
# adj_method="coxscore")
ttelogic <- function(x_exists, z_exists,
car_scheme, adj_method){
if(adj_method == "coxscore" & !(car_scheme %in% ALLOWED_COX_CARSCHEME)){
.cox.carscheme.error()
}
if(adj_method %in% c("CL", "CSL", "coxscore")){
if(x_exists){
adj_cov <- TRUE
} else {
adj_cov <- FALSE
}
if(car_scheme == "simple"){
adj_strata <- FALSE
if(z_exists){
.z.exist.warn.simple()
if(adj_method == "CSL") .csl.nostrata.warn()
}
} else {
if(!z_exists) .z.miss.err()
adj_strata <- TRUE
}
} else{
.tte.nomethod.error()
}
if(adj_method == "CSL" & car_scheme != "simple"){
car_strata <- TRUE
} else {
car_strata <- FALSE
}
return(list(
method=adj_method,
adj_cov=adj_cov,
adj_strata=adj_strata,
car_strata=car_strata
))
}
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