Description Arguments Details Note Author(s) See Also Examples

Various summary statistics for brobs and glubs

`x,...` |
Objects of class |

`na.rm` |
Boolean, with default |

For a `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
`max(a)`

where `a`

includes only positive, fully
specified, elements, and elements with known negative sign and
exponents that include `NA`

values. Here, `max(a)`

is unambiguously determined.

Similar logic applies to `min()`

and, by extension,
`range()`

.

Function `prod()`

is *very* slow for long `glub`

vectors. It has to compute four Brobdingnagian products and two
Brobdingnagian sums per element of its argument, and this takes a long
time.

Robin K. S. Hankin

1 2 |

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