[R] Creating zoo object on monthly time series

[Gabor Grothendieck]

On Sun, Jun 1, 2008 at 8:35 AM, Megh Dal <megh700004 at yahoo.com> wrote:
> Hi all,
>
> I have following monthly time series :
>
>> head(data1)
>      V1 V2      V3
> 1 Nov-80 NA 1007.44
> 2 Dec-80 NA  982.05
> 3 Jan-81 NA  994.25
> 4 Feb-81 NA  996.31
> 5 Mar-81 NA  939.91
> 6 Apr-81 NA  923.32

If the suggestion below does not work then try
dput(head(data1)) to display it in an unambiguous form that is
readily re-input into R.

>
> Now I want to convert it to a 'zoo' object. I wrote following syntax :
>
> ss = zoo(data1[,3], as.Date(data1[,1], format="%m/%y"))
>

See ?strptime and try "%b-%y"

> However I got following :
>> head(ss)
>   <NA>    <NA>    <NA>    <NA>    <NA>    <NA>
> 1007.44  982.05  994.25  996.31  939.91  923.32
>
>
> Can anyone please tell me what will be the correct syntax?
>
> Thanks
>
>
>
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