Test Multiple Objects for Exact Equality
The function identical() is the safe and reliable way to test two objects for being exactly equal. But it is restricted to the comparison of two objects. AllIdentical() allows the input of multiple objects and returns TRUE in the case that all of them are exactly equal, FALSE in every other case.
AllIdentical(...)
... |
any |
The function checks the first object against all others, so if the first object is identical to the second and to the third, then also the second and the third are identical. (If A=B and A=C then is B=C)
Andri Signorell <andri@signorell.net>
A <- LETTERS[1:5] B <- LETTERS[1:5] C <- LETTERS[1:5] D <- LETTERS[1:5] E <- factor(LETTERS[1:5]) # all ok AllIdentical(A, B, C, D) # at least one odd man AllIdentical(A, B, C, D, E)
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