Thomas Lumley wrote:
> On Tue, 20 Jan 2009, Stavros Macrakis wrote:
>
>> I'm rather confused by the semantics of factors.
>>
>
>>
>> It is all very confusing. Of course, most of this behavior is
>> documented and is easily determined by experimentation, but it would
>> be easier to learn and tea
As a follow-up, I don't see any reason why rle() shouldn't work on factors.
There's no ambiguity about what the result should be, and the current
implementation in rle() would work on factors if they could get past the
pre-test.
-thomas
On Wed, 21 Jan 2009, Thomas Lumley wrote:
On T
On Tue, 20 Jan 2009, Stavros Macrakis wrote:
I'm rather confused by the semantics of factors.
It is all very confusing. Of course, most of this behavior is
documented and is easily determined by experimentation, but it would
be easier to learn and teach the language if there were some clea
I'm rather confused by the semantics of factors.
When applied to factors, some functions (whose results are elements of
the original factor argument) return results of class factor, some
return integer vectors, some return character vectors, some give
errors. I understand some but not all of this
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