David -
I'm a little confused about why you would call that indexing error
"trifling". It seems like a pretty serious problem with the zoo
internals.... although it seems to have been fixed in the latest version of
zoo.
Gabor -
Thank you. After updating to the latest version of zoo *and* restarting R,
the assignment now works
I should have thought to update zoo earlier.
On Mon, Aug 29, 2011 at 3:00 PM, David Winsemius <dwinsem...@comcast.net>wrote:
>
> On Aug 29, 2011, at 3:33 PM, R. Michael Weylandt wrote:
>
> Hmm, I don't know what this means as trouble shooting, but I get the
>> following:
>>
>> snipped
>>
>
>
> 4
>> > x[as.Date('2001-01-05')] = 0
>> > x
>> Error in dimnames(x) <- dn :
>> length of 'dimnames' [1] not equal to array extent
>> > str(x)
>> zoo series from 2001-01-02 to 2001-01-06
>> Data: num [1:11327] 1 2 3 4 5 NA NA NA NA NA ...
>>
> ^^^^^^
>
> Index: Class 'Date' num [1:5] 11324 11325 11326 11327 11328
>> >
>>
>
> > difftime(as.Date("1970-01-01")**, as.Date("2001-01-05"))
> Time difference of -11327 days
>
> Notice that some buggy interaction of mismatched package versions managed
> to get the internal integer representation of a Date classed variable
> confused with a length. I see this as of trifling interest at best. That
> nice police officer over there is telling us: "Nothing to see here folks,
> move on; please stop blocking the sidewalk."
>
>
>
>>
>> Obviously this is hard for anyone to troubleshoot if you can't reproduce
>> it. I get the same error in R versions 12.0 and 13.0 (although I don't get
>> the "warning zoo was built under R 13.1" warning when I use zoo in R 12.0)
>>
>>
>>
>> On Mon, Aug 29, 2011 at 2:07 PM, Gene Leynes <gleyne...@gmail.com> wrote:
>> Michael,
>>
>> By the way, although I replied to David's email, I was responding to you
>> as well. Your results were exactly what I was expecting, but I didn't get
>> your results.
>>
>>
>>
>> On Mon, Aug 29, 2011 at 1:51 PM, R. Michael Weylandt <
>> michael.weyla...@gmail.com> wrote:
>> How exactly do you mean it doesn't work? Copied from my GUI:
>>
>> > x = zoo(1:5, as.Date('2001-01-01')+1:5)
>> > x[as.Date('2001-01-05')]
>> 2001-01-05
>> 4
>> > x[as.Date('2001-01-05')] = 0
>> > x
>> 2001-01-02 2001-01-03 2001-01-04 2001-01-05 2001-01-06
>> 1 2 3 0 5
>>
>> (Those actually line up correctly on my machine..)
>>
>> Michael Weylandt
>>
>> On Mon, Aug 29, 2011 at 2:45 PM, Gene Leynes <gleyne...@gmail.com> wrote:
>> Why doesn't this work?
>>
>> x = zoo(1:5, as.Date('2001-01-01')+1:5)
>> x[as.Date('2001-01-05')]
>> x[as.Date('2001-01-05')] = 0
>> x
>>
>>
>> I think this is especially bad because it doesn't cause an error. It lets
>> you do something to x, but then you can't see x again to see what it did.
>>
>> [[alternative HTML version deleted]]
>>
>> ______________________________**________________
>> R-help@r-project.org mailing list
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>> PLEASE do read the posting guide http://www.R-project.org/**
>> posting-guide.html <http://www.R-project.org/posting-guide.html>
>> and provide commented, minimal, self-contained, reproducible code.
>>
>>
>>
>>
>>
> David Winsemius, MD
> West Hartford, CT
>
>
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