[R] manipulating "by" lists and "ave()" functions

[Joshua Wiley]

On Sat, Jul 9, 2011 at 7:32 AM, David Winsemius <dwinsemius at comcast.net> wrote:
>
> On Jul 9, 2011, at 9:44 AM, Berry Boessenkool wrote:
>>
>>
>> Maybe I'm missing something, but in what package do I find that function?
>>
>>> simplify2array(b)
>>
>> Fehler: konnte Funktion "simplify2array" nicht finden
>> # Function wasn't found
>>
>>> help.search("simplify2array")
>>
>> No help files found with alias or concept or title matching
>> ‘simplify2array’ using fuzzy matching.
>>
>
> Perhaps its new, since ?simplify2array brings up a help page and it's in
> base. Try updating.

Yes, simplify2array() was added in R 2.13.0 to support the simplify =
"array" argument to sapply().

Josh

[snip]