Notice: On April 23, 2014, Statalist moved from an email list to a forum, based at statalist.org.
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: st: RE: ERROR: sample may not include multiple panels
From
Steve Samuels <[email protected]>
To
[email protected]
Subject
Re: st: RE: ERROR: sample may not include multiple panels
Date
Fri, 6 Aug 2010 10:28:03 -0400
Look up the -help- for -dfuller- and -xcorr-. They are time-series
commands, not panel-data commands. Time-series data must be -tsset-
Steve
On Fri, Aug 6, 2010 at 10:18 AM, Nick Cox <[email protected]> wrote:
> To Stata, a panel is an identifier variable which, together with a time
> variable, defines a panel dataset. Thus to Stata your variable -model-
> defines panels: as far as it is concerned you said so yourself.
>
> Nick
> [email protected]
>
> Hobst
>
> i defined my paneldata using the following code
>
> encode model, gen(numeric_model)
>
> gen datevar=monthly(month,"M20Y")
> format datevar %tm
>
> sort numeric_model datevar
> xtset numeric_model datevar
>
> Now, if i want to make tests such as xcorr, as or dfuller i get the
> following error message:
>
> "sample may not include multiple panels"
>
> Has anybody got an idea why i get this error? Where does stata see the
> "multiple panels"?
>
>
> *
> * For searches and help try:
> * http://www.stata.com/help.cgi?search
> * http://www.stata.com/support/statalist/faq
> * http://www.ats.ucla.edu/stat/stata/
>
--
Steven Samuels
[email protected]
18 Cantine's Island
Saugerties NY 12477
USA
Voice: 845-246-0774
Fax: 206-202-4783
*
* For searches and help try:
* http://www.stata.com/help.cgi?search
* http://www.stata.com/support/statalist/faq
* http://www.ats.ucla.edu/stat/stata/