[R] How can I declare an empty zoo object?
Gabor Grothendieck
ggrothendieck at gmail.com
Tue Jul 31 21:38:46 CEST 2012
On Tue, Jul 31, 2012 at 8:23 AM, arun <smartpink111 at yahoo.com> wrote:
> Hi,
>
> #Without indices
>
> xzoo<-zoo()
> x1zoo_f<-zoo(1:10,)
> cbind(xzoo,x1zoo_f)
> x1zoo_f
> 1 1
> 2 2
> 3 3
> 4 4
> 5 5
> 6 6
> 7 7
> 8 8
> 9 9
> 10 10
>
>
> #With indices on one
> x1zoo_f<-zoo(1:5,1:10)
>> cbind(xzoo,x1zoo_f)
> x1zoo_f
> 1 1
> 2 2
> 3 3
> 4 4
> 5 5
> 6 1
> 7 2
> 8 3
> 9 4
> 10 5
>
> #with a different index. Here, I get warning message.
>
> x1zoo_f<-zoo(1:5,c(5,6,8,11,13))
>> cbind(xzoo,x1zoo_f)
> x1zoo_f
> 5 1
> 6 2
> 8 3
> 11 4
> 13 5
> Warning message:
> In merge.zoo(..., all = all, fill = fill, suffixes = suffixes, retclass = "zoo", :
> Index vectors are of different classes: integer numeric
Using this will get rid of the warning:
merge(z, zoo(, numeric(0)))
if you are trying to combine it with a zoo object, z, having a numeric index.
--
Statistics & Software Consulting
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email: ggrothendieck at gmail.com
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