[R] ifelse problem - bug or operator error

[R. Michael Weylandt]

On Fri, Aug 24, 2012 at 4:50 PM, R. Michael Weylandt
<michael.weylandt at gmail.com> wrote:
> On Fri, Aug 24, 2012 at 4:46 PM, Jennifer Sabatier
> <plessthanpointohfive at gmail.com> wrote:
>> Hi Michael,
>>
>> No, I never use attach(), exactly for the reasons you state.  To do
>> due diligence I did a search of code for the function and it didn't
>> come up (I would have been shocked because I never us it!).
>>
>> Now that real data is up, does your suggestion still apply?  I am
>> reading it now.
>>
>
> If you mean the data you sent to Peter, it got scrubbed by the list
> servers as well (they are somewhat draconian, but appropriately so in
> the long run). The absolute best way to send R data via email (esp on
> this list) is to use the dput() function which will create a plain
> text representation of your data _exactly_ as R sees it. It's a little
> hard for the untrained eye to parse (I can usually get about 90% of
> what it all means but there's some stuff with rownames = NA I've never
> looked into) but it's perfectly reproducible to a different R session.
> Then us having the same data is a simple copy+paste away.

Note that the dput() output is to be put into the body of the email,
not in an attachment or we're back where we started ;-)

M

>
> For more on dput() and reproducibility generally, see
> http://stackoverflow.com/questions/5963269/how-to-make-a-great-r-reproducible-example
>
> It could be the floating point thing (it's hard to say without knowing
> how your data was calculated), but Rui seems to think not.
>
> M
>
>> Thanks,
>>
>> Jen
>>
>> On Fri, Aug 24, 2012 at 5:38 PM, R. Michael Weylandt
>> <michael.weylandt at gmail.com> wrote:
>>> Off the wall / wild guess, do you use attach() frequently? Not
>>> entirely sure how it would come up, but it tends to make weird errors
>>> like this occur.
>>>
>>> M
>>>
>>> On Fri, Aug 24, 2012 at 4:36 PM, Jennifer Sabatier
>>> <plessthanpointohfive at gmail.com> wrote:
>>>> Hi Rui,
>>>>
>>>> Thanks so much for responding but I think with my HTML problem the vn
>>>> data you made must not be the same.  I tried running your code on the
>>>> data (I uploaded a copy) and I got the same thing I had before.
>>>>
>>>> Jen
>>>>
>>>> On Fri, Aug 24, 2012 at 5:28 PM, Rui Barradas <ruipbarradas at sapo.pt> wrote:
>>>>>
>>>>> 165114 1 0  0 0 0  417313 1 0  3546 1 0  4613 1 0  225460 1 0  6417 1 1  23