Nothing
SLlogic <- function(x_exists, z_exists, car_scheme, cov_strata){
adj_vars <- NULL
aipw <- TRUE
adj_se_z <- FALSE
# Whether to check prediction un-biasedness in all joint levels
# of Z, or just overall, and whether to report an error or warning
pu_joint_z <- FALSE
# Biased action will be one of "", "warning", "error"
pu_funcs <- function(){}
omegaz_func <- NULL
if(car_scheme == "simple"){
if(z_exists) .z.exist.warn.simple()
if(x_exists){
adj_vars <- "x"
pu_funcs <- .pu.warn
} else {
.x.miss.err()
}
}
if(car_scheme == "pocock-simon"){
if(!z_exists){
.z.miss.err()
} else {
omegaz_func <- omegaz.closure(car_scheme)
if(!cov_strata){
.z.include.warn()
}
pu_joint_z <- TRUE
if(x_exists){
adj_vars <- "joint_z_x"
pu_funcs <- .pu.z.warn
} else {
adj_vars <- "joint_z"
pu_funcs <- c(.pu.z.calibrate, .pu.z.warn)
}
}
}
if(car_scheme %in% APPLICABLE.SCHEMES){
if(z_exists){
omegaz_func <- omegaz.closure(car_scheme)
adj_se_z <- TRUE
if(x_exists){
if(cov_strata){
adj_vars <- "joint_z_x"
pu_funcs <- .pu.warn
} else {
adj_vars <- "x"
}
} else {
if(cov_strata){
adj_vars <- "joint_z"
pu_funcs <- .pu.warn
} else {
}
}
} else {
.z.miss.err()
}
}
method=c("SLModel")
return(list(
method=method,
adj_vars=adj_vars,
adj_se_z=adj_se_z,
pu_joint_z=pu_joint_z,
pu_funcs=pu_funcs,
omegaz_func=omegaz_func
))
}
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