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#' Print Method for Evaluation of Covariate-Adaptive Randomization
#'
#' Prints the parameters of a covariate-adaptive randomization procedures
#'
#' @export
#' @rdname print
#' @method print careval
#' @param x objects of class\code{careval}.
#' @param digits number of significant digits to be used.
#' @param prefix string, passed to \code{\link{strwrap}} for displaying the \code{method} component of the \code{carandom} object.
#' @param ... further arguments to be passed to or from methods.
#' @seealso \code{\link{evalRand}}, \code{\link{evalRand.sim}}.
print.careval = function(x, digits = getOption("digits"), prefix = "\t", ...){
cat("\n")
abb = c("HuHuCAR", "PocSimMIN", "StrBCD", "StrPBR", "DoptBCD", "BayesBCD", "AdjBCD")
com = c("Hu and Hu's General CAR", "Pocock and Simon's Procedure with Two Arms",
"Shao's Procedure", "Stratified Randomization with Two Arms",
"Atkinson's Optimum Biased Coin Design", "Bayesian Biased Coin Design",
"Covariate-adjusted Biased Coin Design")
ind = which(abb == x$method, arr.ind = T)
meth = com[ind]
cat(strwrap(meth, prefix = prefix), sep = "\n")
cat("\n")
cat("call:\n",
if(x$`Data Type` == "Real"){
paste("evalRand(", "method = ", x$method, ")\n", sep = "")
}else{
paste("evalRand.sim(", "method = ", x$method, ")\n", sep = "")
});
cat("\n");
cat("group", "=", LETTERS[1 : 2], "\n", sep = " ")
cat("Sample size", "=", x$n, "\n", sep = " ")
cat("iteration", "=", x$iteration, "\n", sep = " ")
cat("cov_num", "=", x$cov_num, "\n", sep = " ")
cat("level_num", "=", as.character(x$level_num), "\n", sep = " ")
if(x$method == "BayesBCD"){
cat("Categor class numbers", "=", x$J, "\n", sep = " ")
}
if(x$method == "StrPBR"){
cat("block", "=", x$bsize, "\n", sep = " ")
}
cat("Data type: ", x$`Data Type`, "\n");
if(x$`Data Type` == "Simulated"){
cat("Data generation mode: ", x$DataGeneration, "\n", sep = " ")
}
cat("\n")
if(x$n <= 7){K = x$n}else{K = 7}
if(x$iteration <= 3){I = x$iteration}else{I = 3}
cat("assignments of the first", I, "iterations for the first", K,
"patients", ":", "\n", sep = " ")
ass = as.data.frame(t(x$Assig[1 : K, 1 : I]))
for(l in 1 : I){
ass[l, ] = LETTERS[as.numeric(ass[l, ])]
}
#ass$' ' = rep("...", times = I)
print(ass)
cat("\n")
cat("Evaluation by imbalances: \n");
cat("absolute overall imbalances:\n")
print(x$Imb[1, ], digits = 3);
cat("\n");
if(x$strt_num <= 3){s = x$strt_num}else{s = 3}
cat("absolute within-strt. imbalances for the first", s, "strata:", "\n", sep = " ");
print(x$Imb[2 : (s + 1), ], digits = 3)
cat("\n");
cat("absolute within-cov.-margin imbalances for", x$cov_num, "margins:", "\n", sep = " ");
v = vector();
r = 1 + x$strt_num + 1;
for(i in 1 :x$cov_num){
v[i] = r;
r = r + x$level_num[i];
}
print(x$Imb[v, ], digits = 3);
cat("\n")
if(x$`Data Type` == "Real"){
Rlist = apply(x$data, 2, unique);
cat("Remark-Index: \n");
if(!x$datanumeric){
for(i in 1 : x$cov_num){
cat(i, "--", x$covariates[i], "\n");
if(length(unique(x$level_num)) > 1){
cat("\t", paste(1 : x$level_num[i], as.factor(Rlist[[i]]),
sep = " <--> "),
sep = " ", "\n");
}else{
cat("\t", paste(1 : x$level_num[i], as.factor(Rlist[, i]),
sep = " <--> "),
sep = " ", "\n");
}
}
}else{
for(i in 1 : x$cov_num){
cat(i, "--", x$covariates[i], "\n");
if(length(unique(x$level_num)) > 1){
cat("\t", paste(1 : x$level_num[i],
as.factor(Rlist[[i]])[match(1 : x$level_num[i], as.numeric(as.factor(Rlist[[i]])))],
sep = " <--> "),
sep = " ", "\n");
}else{
cat("\t", paste(1 : x$level_num[i],
as.factor(Rlist[, i])[match(1 : x$level_num[i], as.numeric(as.factor(Rlist[, i])))],
sep = " <--> "),
sep = " ", "\n");
}
}
}
}
invisible(x)
}
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