Hi all,
Lets say I have:
DT <- data.table(x=1:10, y=1:10)
Both x and y are of type integer.
> sapply(DT,class)
x y
"integer" "integer"
Now, suppose I do:
class(DT$x) <- "numeric"
What I would expect to happen is either A) a message saying you can't
convert a key to numeric or B) convert it to numeric and lose the key
argument. What happens though is that x stays as an integer but no
error is given. Is that intended?
-Chris
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