[R] FORTUNES WAS :foruntes candidate?? WAS:Re: Bug in "is" ?
Charles C. Berry
cberry at tajo.ucsd.edu
Fri Sep 26 01:39:31 CEST 2008
Sorry about my clumsy fingers! :-(
On Thu, 25 Sep 2008, Charles C. Berry wrote:
>
>
> Douglas Bates [after a tortuous discussion of the behavior of
> is(7,"integer")]:
>
> As for the question of the bug in "is", ... "it depends what your definition
> of `is' is." [Bill Clinton]
>
>
> ---
>
>
> Good one, Douglas!
>
> Chuck
>
>
> On Thu, 25 Sep 2008, Douglas Bates wrote:
>
>> On Thu, Sep 25, 2008 at 4:23 PM, Wacek Kusnierczyk
>> <Waclaw.Marcin.Kusnierczyk at idi.ntnu.no> wrote:
>> > Rolf Turner wrote:
>> > >
> [snip]
>
>>
>> As for the question of the bug in "is" - although I hate to sound like
>> a politician who was given the nickname "Slick Willie" (see Clinton,
>> William J.), "it depends what your definition of `is' is." The
>> definition in R is a function that examines the class of an object and
>> reports on whether the object has the given class or is of a class
>> that inherits from the given class. In this case it will give an
>> answer based on the class of the computer representation of the
>> number, not the mathematical concept of the number.
>>
>
> [rest dleted]
>
>
> Charles C. Berry (858) 534-2098
> Dept of Family/Preventive
> Medicine
> E mailto:cberry at tajo.ucsd.edu UC San Diego
> http://famprevmed.ucsd.edu/faculty/cberry/ La Jolla, San Diego 92093-0901
>
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Charles C. Berry (858) 534-2098
Dept of Family/Preventive Medicine
E mailto:cberry at tajo.ucsd.edu UC San Diego
http://famprevmed.ucsd.edu/faculty/cberry/ La Jolla, San Diego 92093-0901
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