Nothing
gridresid <- function(X, cifunction, theta = NULL, lambda = NULL, grid = c(10, 10), gf = NULL, resid = c("raw", "pearson", "inverse"), algthm = c("cubature", "mc", "miser", "none"), n = 100, n.miser = 10000, tol = 1e-05, maxEval = 0, absError = 0, ints = NULL)
{
if(!is.stpp(X))
stop("X must be an object of type stpp")
if(!is.null(lambda)) {
if(length(lambda) != length(X$x))
stop("lambda must be same length as number of points")
lamb1 <- lambda
} else {
if(is.null(theta)) {
lamb1 <- cifunction(X)
} else
lamb1 <- cifunction(X, theta)
}
if(is.null(gf)) {
gf <- make.grid(stwin(X$xcoord, X$ycoord, X$tcoord), grid)
} else
if(!is.stgrid(gf))
stop("gf must be an object of type stgrid")
if(missing(resid))
resid = "raw"
if(missing(algthm))
algthm = "cubature"
if(!is.null(ints))
algthm = "none"
if((algthm == "none") & is.null(ints))
algthm = "cubature"
countf.s <- function(xy)
{
which((gf[[1]]$xmin <= xy[1]) & (gf[[1]]$xmax > xy[1]) & (gf[[1]]$ymin <= xy[2]) & (gf[[1]]$ymax > xy[2]))
}
if(resid == "raw") {
place <- apply(cbind(X$x, X$y), 1, countf.s)
count <- tabulate(place)
if(length(count) != nrow(gf$grid.full))
count <- c(count, rep(0, nrow(gf$grid.full) - length(count)))
if(algthm == "cubature") {
bins <- bin.info.cubature(X, cifunction, theta = theta, gf = gf, type = 1, tol = tol, maxEval = maxEval, absError = absError)
ints <- bins$integral
residuals <- count - ints
y <- list(X = X, grid = gf, residuals = residuals)
y <- c(y, bins)
}
if(algthm == "mc") {
bins <- bin.info(X, cifunction, theta = theta, gf = gf, type = 1, n.def = n)
ints <- bins$integral
residuals <- count - ints
y <- list(X = X, grid = gf, residuals = residuals)
y <- c(y, bins)
}
if(algthm == "miser") {
bins <- bin.info.MISER(X, cifunction, theta = theta, gf = gf, type = 1, n = n.miser)
ints <- bins$integral
residuals <- count - ints
y <- list(X = X, grid = gf, residuals = residuals)
y <- c(y, bins)
}
if(algthm == "none") {
residuals <- count - ints
y <- list(X = X, grid = gf, residuals = residuals)
}
}
if(resid == "pearson") {
count <- rep(0, nrow(gf$grid.full))
place <- apply(cbind(X$x, X$y), 1, countf.s)
sums <- aggregate(cbind(place, sqrt(lamb1)), by = list(place), sum)
count[sums[,1]] <- sums[,3]
if(algthm == "cubature") {
bins <- bin.info.cubature(X, cifunction, theta = theta, gf = gf, type = 2, tol = tol, maxEval = maxEval, absError = absError)
ints <- bins$integral
residuals <- count - ints
y <- list(X = X, grid = gf, residuals = residuals)
y <- c(y, bins)
}
if(algthm == "mc") {
bins <- bin.info(X, cifunction, theta = theta, gf = gf, type = 2, n.def = n)
ints <- bins$integral
residuals <- count - ints
y <- list(X = X, grid = gf, residuals = residuals)
y <- c(y, bins)
}
if(algthm == "miser") {
bins <- bin.info.MISER(X, cifunction, theta = theta, gf = gf, type = 2, n = n.miser)
ints <- bins$integral
residuals <- count - ints
y <- list(X = X, grid = gf, residuals = residuals)
y <- c(y, bins)
}
if(algthm == "none") {
residuals <- count - ints
y <- list(X = X, grid = gf, residuals = residuals)
}
}
if(resid == "inverse") {
count <- rep(0, nrow(gf$grid.full))
vol <- diff(X$xcoord) / grid[1] * diff(X$ycoord) / grid[2] * diff(X$tcoord)
place <- apply(cbind(X$x, X$y), 1, countf.s)
sums <- aggregate(cbind(place, lamb1^(-1)), by = list(place), sum)
count[sums[,1]] <- sums[,3]
residuals <- count - rep(vol, length(count))
y <- list(X = X, grid = gf, residuals = residuals)
}
class(y) <- "gridresid"
return(y)
}
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