max(NULL)

In Splus 3.3 and previous to R 0.63  max(NULL) returned NA and now it returns

max(NULL)

Warning in max(..., na.rm = na.rm) : no finite arguments to min/max; returning
extreme.
[1] -2147483647

Is this a bug or an intentional change?

It's intentional: ie max of an empty set is -Inf, min is +Inf 
For a while it happened silently, but now you get warned.

	-thomas

Thomas Lumley
Assistant Professor, Biostatistics
University of Washington, Seattle


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