Various summary statistics for brobs and glubs
Objects of class
Boolean, with default
brob object, being
NA is not entirely
straightforward. The S4 method for
is.na is too
“strict” for some of the functions considered here. Consider
a includes only positive, fully
specified, elements, and elements with known negative sign and
exponents that include
NA values. Here,
is unambiguously determined.
Similar logic applies to
min() and, by extension,
prod() is very slow for long
vectors. It has to compute four Brobdingnagian products and two
Brobdingnagian sums per element of its argument, and this takes a long
Robin K. S. Hankin
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