[R] zoo: variable gets modified at making zoo object

[Agustin Lobo]

Thanks for your interest.
I've put the dataframe alyL32007 in
http://dl.dropbox.com/u/3180464/alyL32007.rda

ready to be used with load()

Agus

On Mon, May 28, 2012 at 6:11 PM, Gabor Grothendieck
<ggrothendieck at gmail.com> wrote:
> On Mon, May 28, 2012 at 5:35 AM, Agustin Lobo
> <Agustin.Lobo at ictja.csic.es> wrote:
>> I'm doing:
>>
>>> alyL32007z <- zoo(alyL32007,alyL32007$time)
>>> range(time(alyL32007z))
>> [1] "2007-01-01 00:00:00 UTC" "2007-12-31 23:30:00 UTC"
>>
>> But then, while the original variable is:
>>> summary(alyL32007$NEE_st)
>>   Min. 1st Qu.  Median    Mean 3rd Qu.    Max.    NA's
>> -15.340  -1.615  -0.054  -0.814   0.750   8.965   11124
>>
>> the variable within the zoo object is different:
>>> summary(alyL32007z$NEE_st)
>>     Index                     alyL32007z$NEE_st
>>  Min.   :2007-01-01 00:00:00     0.335:    7
>>  1st Qu.:2007-04-02 05:52:30     0.582:    7
>>  Median :2007-07-02 11:45:00     0.611:    7
>>  Mean   :2007-07-02 11:45:00     0.063:    6
>>  3rd Qu.:2007-10-01 17:37:30     0.069:    6
>>  Max.   :2007-12-31 23:30:00   (Other): 6363
>>                               NA's   :11124
>>
>> and I  get an error at plotting:
>>> plot(alyL32007z$NEE_st)
>> Error in plot.window(...) : invalid 'ylim' value
>>
>> Any help appreciated,
>>
>> Thanks
>> Agus
>> --
>> Dr. Agustin Lobo
>> Institut de Ciencies de la Terra "Jaume Almera" (CSIC)
>> Lluis Sole Sabaris s/n
>> 08028 Barcelona
>> Spain
>> Tel. 34 934095410
>> Fax. 34 934110012
>> e-mail Agustin.Lobo at ictja.csic.es
>> https://sites.google.com/site/aloboaleu/
>>
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>> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
>> and provide commented, minimal, self-contained, reproducible code.
>
> Read the last two lines and particularly the part about posting
> reproducible code.
>
> --
> Statistics & Software Consulting
> GKX Group, GKX Associates Inc.
> tel: 1-877-GKX-GROUP
> email: ggrothendieck at gmail.com



-- 
--
Dr. Agustin Lobo
Institut de Ciencies de la Terra "Jaume Almera" (CSIC)
Lluis Sole Sabaris s/n
08028 Barcelona
Spain
Tel. 34 934095410
Fax. 34 934110012
e-mail Agustin.Lobo at ictja.csic.es
https://sites.google.com/site/aloboaleu/