Nothing
library(bpkde)
if(require(KernSmooth)) {
datasets <- data(package = "bpkde")$results[, 3]
for(d in datasets) {
data(list = d)
mat <- get(d)
x <- seq(min(mat[, 1]) - 1, max(mat[, 1]) + 1, length = 100)
y <- seq(min(mat[, 2]) - 1, max(mat[, 2]) + 1, length = 100)
ks <- KernSmooth:::linbin2D(mat, x, y)
me <- bpkde:::linbin2D(mat, x, y)
print(d)
stopifnot(all.equal(ks, me))
}
}
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