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Determine if object is empty.
isempty(A)
Returns TRUE if x is an empty object; otherwise, FALSE.
TRUE
x
FALSE
object to evaluate
P. Roebuck proebuck1701@gmail.com
An empty object has at least one dimension of size zero.
isempty(1:3) # FALSE isempty(array(NA, c(2, 0, 2))) # TRUE
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