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#'
run_bartc <- function(
dat_train,
dat_test,
dat_total,
params,
indcv,
iter,
budget
) {
# split/cross-validation
cv <- params$cv
## train
fit_train <- train_bartc(dat_train)
## test
fit_test <- test_bartc(
fit_train, dat_test, dat_total, params$n_df, params$n_tb,
indcv, iter, budget, cv
)
return(list(test = fit_test, train = fit_train))
}
train_bartc <- function(dat_train) {
## format training data
training_data_elements_bartc = create_ml_args_bartc(dat_train)
## fit
fit <- bartCause::bartc(response = training_data_elements_bartc[["Y"]],
treatment = training_data_elements_bartc[["T"]],
confounders = training_data_elements_bartc[["X"]],
keepTrees = TRUE)
return(fit)
}
#'@importFrom stats predict runif
test_bartc <- function(
fit_train, dat_test, dat_total, n_df, n_tb, indcv, iter, budget, cv
) {
## format data
testing_data_elements_bartc = create_ml_args_bartc(dat_test)
total_data_elements_bartc = create_ml_args_bartc(dat_total)
if(cv == TRUE){
## predict
Y0t_total=predict(fit_train,total_data_elements_bartc[["X0t"]])
Y1t_total=predict(fit_train,total_data_elements_bartc[["X1t"]])
tau_total=colMeans(Y1t_total)-colMeans(Y0t_total) + runif(n_df,-1e-6,1e-6)
## compute quantities of interest
tau_test <- tau_total[indcv == iter]
That <- as.numeric(tau_total > 0)
That_p <- as.numeric(tau_total >= sort(tau_test, decreasing = TRUE)[floor(budget*length(tau_test))+1])
## output
cf_output <- list(
tau = c(tau_test, rep(NA, length(tau_total) - length(tau_test))),
tau_cv = tau_total,
That_cv = That,
That_pcv = That_p
)
}
if(cv == FALSE){
## predict
Y0t_test=predict(fit_train,testing_data_elements_bartc[["X0t"]])
Y1t_test=predict(fit_train,testing_data_elements_bartc[["X1t"]])
tau_test=colMeans(Y1t_test)-colMeans(Y0t_test)
## compute quantities of interest
That = as.numeric(tau_test > 0)
That_p = numeric(length(That))
That_p[sort(tau_test,decreasing =TRUE,index.return=TRUE)$ix[1:(floor(budget*length(tau_test))+1)]] = 1
## output
cf_output <- list(
tau = tau_test,
tau_cv = tau_test,
That_cv = That,
That_pcv = That_p
)
}
return(cf_output)
}
# Y0t<-predict(barc1,X0t)
# Y1t<-predict(barc1,X1t)
# tau_test2<-Y1t-Y0t
# That2=as.numeric(tau_test2>0)
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