[R] replacing elements of a zoo object

stephen sefick ssefick at gmail.com
Wed Dec 17 18:03:45 CET 2008

If this were copy and paste-able then I could probably give you a
solution, but I would have a look at


On Wed, Dec 17, 2008 at 11:24 AM,  <tolga.i.uzuner at jpmorgan.com> wrote:
> Dear R Users,
> I am trying to do something quite simple: replace the elements of a zoo
> object. For some reason, the following code does not seem to work. How can
> I replace the value for the 14th of Dec of 2008 in the zoo object x below
> with 1 (it is currently NA).
>> x
> 2008-12-11 2008-12-12 2008-12-13 2008-12-14 2008-12-15 2008-12-16
>   361.667    389.875         NA         NA    397.822    395.667
>> class(x)
> [1] "zoo"
>> class(index(x))
> [1] "Date"
>> x[as.Date("2008-12-14"),]
> 2008-12-14
>        NA
>> x[as.Date("2008-12-14"),]<-1
> Error in x[as.Date("2008-12-14"), ] <- 1 :
>  incorrect number of subscripts on matrix
> Thanks in advance,
> Tolga
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Stephen Sefick

Let's not spend our time and resources thinking about things that are
so little or so large that all they really do for us is puff us up and
make us feel like gods.  We are mammals, and have not exhausted the
annoying little problems of being mammals.

								-K. Mullis

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