Nothing
pgbart_predict <- function(x.test, model) {
if(is.null(x.test))
stop("ERROR: you miss a x.test parameter!")
if(!is.matrix(x.test)){
if(is.data.frame(x.test)){
x.test <- as.matrix(makeind(x.test))
}
else{
stop("ERROR: x.test must be a matrix or a data frame!")
}
}
if(!is.character(model))
stop("ERROR: model_file must be a character!")
if(!file.exists(model))
stop("ERROR: model_file does not exist!")
metadata = as.numeric(read.table(model, nrows = 5)[[1]])
rgy = as.double(metadata[1])
ymin = as.double(metadata[2])
ncpost = as.integer(metadata[3])
binary = as.integer(metadata[4])
binaryOffset = as.double(metadata[5])
cres = .C('mpredict',
as.integer(nrow(x.test)),
as.integer(ncol(x.test)),
as.double(x.test),
as.character(model),
tedraw = double(nrow(x.test)*ncpost))
yhat.test = yhat.test.mean = NULL
yhat.test = matrix(cres$tedraw, nrow = ncpost, byrow=T)
if(!binary) {
yhat.test = rgy * (yhat.test + .5) + ymin
yhat.test.mean = apply(yhat.test, 2, mean)
}
if(binary) {
yhat.test = yhat.test + binaryOffset
}
if(binary) {
retval = list(
call=match.call(),
yhat.test=yhat.test,
binaryOffset = binaryOffset
)
} else {
retval = list(
call=match.call(),
yhat.test=yhat.test,
yhat.test.mean=yhat.test.mean
)
}
class(retval) = 'pgbart'
return(invisible(retval))
}
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