csobj <- list(
data = matrix(c(10, 20, 30, 40), nrow = 2, byrow = TRUE),
freq = c(1, 2),
groups = c("A", "B"),
names = c("sample1", "sample2"),
unit = c("ppm", "intensity")
)
dataset <- convert_from_chemospec(csobj)
class(dataset)
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