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library(iterators)
# test isplit with a single factor
test01 <- function() {
x <- rnorm(200)
f <- factor(sample(1:10, length(x), replace=TRUE))
it <- isplit(x, f)
expected <- split(x, f)
for (i in expected) {
actual <- nextElem(it)
checkEquals(actual$value, i)
}
it <- isplit(x, f, drop=TRUE)
expected <- split(x, f, drop=TRUE)
for (i in expected) {
actual <- nextElem(it)
checkEquals(actual$value, i)
}
}
# test isplit with two factors
test02 <- function() {
x <- rnorm(200)
f <- list(factor(sample(1:10, length(x), replace=TRUE)),
factor(sample(1:10, length(x), replace=TRUE)))
it <- isplit(x, f)
expected <- split(x, f)
for (i in expected) {
actual <- nextElem(it)
checkEquals(actual$value, i)
}
it <- isplit(x, f, drop=TRUE)
expected <- split(x, f, drop=TRUE)
for (i in expected) {
actual <- nextElem(it)
checkEquals(actual$value, i)
}
}
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