Nothing
setMethod("fhistogram",
signature(x = "ANY"),
function(x, Dataset, K, ymin, ymax, shrink, ...)
{
digits <- getOption("digits"); options(digits = 15)
# Dataset.
if (missing(Dataset) || (length(Dataset) == 0)) {
stop(sQuote("Dataset"), " must not be empty!", call. = FALSE)
}
if (!is.data.frame(Dataset)) {
stop(sQuote("Dataset"), " data frame is requested!", call. = FALSE)
}
d <- ncol(Dataset)
if (d < 1) {
stop(sQuote("Dataset"), " number of columns in data frame must be greater than 0!", call. = FALSE)
}
ny <- nrow(Dataset)
if (ny < 1) {
stop(sQuote("Dataset"), " number of rows in data frame must be greater than 0!", call. = FALSE)
}
# x
if (missing(x) || is.null(x)) {
x <- new("Histogram",
Y = as.data.frame(matrix(0.0, nrow = 1, ncol = d + 1)),
K = K,
ymin = ymin,
ymax = ymax)
nz <- prod(x@K)
names <- names(x@Y)
x@Y <- as.data.frame(matrix(0.0, nrow = nz, ncol = d + 1))
colnames(x@Y) <- names
}
else {
if (as.character(class(x)) != "Histogram") {
stop(sQuote("x"), " object of class Histogram is requested!", call. = FALSE)
}
if (ncol(x@Y) != d + 1) {
stop(sQuote("Dataset"), " number of columns in data frame must equal ", ncol(x@Y), "!", call. = FALSE)
}
nz <- prod(x@K)
if (nrow(x@Y) != nz) {
stop(sQuote("x"), " has allready bin shrunk!", call. = FALSE)
}
}
y <- as.matrix(Dataset)
output <- .C(C_Rfhistogram,
K = as.integer(x@K),
y0 = as.double(x@y0),
h = as.double(x@h),
d = as.integer(d),
ny = as.integer(ny),
y = as.double(y),
nz = as.integer(nz),
z = as.double(unlist(x@Y)),
shrink = as.integer(shrink),
error = integer(1),
PACKAGE = "rebmix")
if (output$error == 1) {
stop("in Rfhistogram!", call. = FALSE); return(NA)
}
dim(output$z) <- c(nz, d + 1)
if (shrink) {
output$z <- output$z[1:output$nz, ]
dim(output$z) <- c(output$nz, d + 1)
}
colnames(output$z) <- colnames(x@Y)
x@Y <- as.data.frame(output$z)
x@n <- x@n + ny
if (x@n >= 2147483647) {
message("Note: Total number of observations ", x@n, " is greater or equal than ", 2147483647, "!")
}
x@ns <- x@ns + 1
output <- x
options(digits = digits)
rm(list = ls()[!(ls() %in% c("output"))])
invisible(output)
}) ## fhistogram
setMethod("chistogram",
signature(x = "ANY"),
function(x, Dataset, K, ymin, ymax, ...)
{
digits <- getOption("digits"); options(digits = 15)
# Dataset.
if (missing(Dataset) || (length(Dataset) == 0)) {
stop(sQuote("Dataset"), " must not be empty!", call. = FALSE)
}
if (!is.data.frame(Dataset)) {
stop(sQuote("Dataset"), " data frame is requested!", call. = FALSE)
}
d <- ncol(Dataset)
if (d < 1) {
stop(sQuote("Dataset"), " number of columns in data frame must be greater than 0!", call. = FALSE)
}
ny <- nrow(Dataset)
if (ny < 1) {
stop(sQuote("Dataset"), " number of rows in data frame must be greater than 0!", call. = FALSE)
}
# x
if (missing(x) || is.null(x)) {
x <- new("Histogram",
Y = as.data.frame(matrix(0.0, nrow = ny, ncol = d + 1)),
K = K,
ymin = ymin,
ymax = ymax)
v <- 0; nz <- ny
names <- names(x@Y)
x@Y <- as.data.frame(matrix(0.0, nrow = nz, ncol = d + 1))
colnames(x@Y) <- names
}
else {
if (as.character(class(x)) != "Histogram") {
stop(sQuote("x"), " object of class Histogram is requested!", call. = FALSE)
}
if (ncol(x@Y) != d + 1) {
stop(sQuote("Dataset"), " number of columns in data frame must equal ", ncol(x@Y), "!", call. = FALSE)
}
v <- nrow(x@Y); nz <- v + ny
z <- as.data.frame(matrix(0.0, nrow = ny, ncol = d + 1))
colnames(z) <- names(x@Y)
x@Y <- rbind(x@Y, z); rm(z)
}
y <- as.matrix(Dataset)
output <- .C(C_Rchistogram,
K = as.integer(x@K),
v = as.integer(v),
y0 = as.double(x@y0),
h = as.double(x@h),
d = as.integer(d),
ny = as.integer(ny),
y = as.double(y),
nz = as.integer(nz),
z = as.double(unlist(x@Y)),
error = integer(1),
PACKAGE = "rebmix")
if (output$error == 1) {
stop("in Rchistogram!", call. = FALSE); return(NA)
}
dim(output$z) <- c(nz, d + 1)
output$z <- output$z[1:output$v, ]
dim(output$z) <- c(output$v, d + 1)
colnames(output$z) <- colnames(x@Y)
x@Y <- as.data.frame(output$z)
x@n <- x@n + ny
if (x@n >= 2147483647) {
message("Note: Total number of observations ", x@n, " is greater or equal than ", 2147483647, "!")
}
x@ns <- x@ns + 1
output <- x
options(digits = digits)
rm(list = ls()[!(ls() %in% c("output"))])
invisible(output)
}) ## chistogram
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