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Re: st: xtserial error: "no observations"


From   chuong huynh <chuonghn90@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: xtserial error: "no observations"
Date   Mon, 8 Apr 2013 22:11:46 +0700

you should check: Your data must not discrete ( ex: 2000,2001,2002
Not: 2000,2002,2004 - if this is your timeserie data, you can change
to 1,2,3,4 in time variable). I'm not good English, hope you
understand

2013/4/8 Nick Cox <njcoxstata@gmail.com>:
> You need to tell us more about exactly what you typed and the
> incidence of missing values.
>
> In addition, note that -xtserial- is user-written, so that you are
> expected to explain that and say where it comes from.
>
> I doubt that having 386 observations is itself a problem.
>
> Nick
> njcoxstata@gmail.com
>
> On 8 April 2013 15:34, Rodrigo Badilla <rodrigo.badilla@gmail.com> wrote:
>
>> Thanks for you reply and information, i did checked my variables and
>> are not strings... probably the missing values could be the answer...
>>
>> anyway i have been read that autocorrelation test with xtserial should
>> be used with panel data with a large number of data, could be this in
>> relation with my problem ( i have only 386 samples)
>
> 2013/4/8 Nick Cox <njcoxstata@gmail.com>:
>
>>> This typically means that
>>>
>>> either some variable you think is numeric is really string
>>>
>>> or some variable contains missing values, prohibiting some calculation.
>>>
>>> We can't say more without knowing more about your data.
>
> On 8 April 2013 13:52, Rodrigo Badilla <rodrigo.badilla@gmail.com> wrote:
>
>>>> I am triying to run a autocorrelation tests with xtserial command,
>>>> lamentably only get this error output: "no observations" previously i
>>>> set my data with xtset command, my data set have 386 samples.
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