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Re: st: Tsset date


From   Terence Fung <econfkw@hotmail.com>
To   "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu>
Subject   Re: st: Tsset date
Date   Mon, 21 Jan 2013 06:31:33 -0500

Hi Nick,
I did try to provide the error message. The email bounced back every time. Format issue.

Describe s date 
Gives storage types are byte and str6, respectively.

tsset s date
Gives varlist: date: string variable not allowed.

Thanks

Sent from my iPad mini

On 21 Jan, 2013, at 5:24 AM, "Nick Cox" <njcoxstata@gmail.com> wrote:

> In general, it is not a good idea to expect an explanation of an error
> message when you don't even tell us what the error message is.
> 
> Stata daily date variables must be _numeric_ to be acceptable to
> -tsset-. No Stata numeric variable can have a value that is "1960Q1".
> However, applying the format %tq to a numeric variable would result in
> displays such as "1960q1".
> 
> If you literally typed "Tsset s date", that would be an error, as the
> command is -tsset-.
> 
> I suggest that you show us the results of
> 
> describe s date
> tsset s date
> 
> meaning that you copy exactly what Stata types in the Results window
> when given these two commands.
> 
> Nick
> 
> On Mon, Jan 21, 2013 at 9:48 AM, Terence Fung <econfkw@hotmail.com> wrote:
> 
>> Suppose a variable named 'date' has value = '1960Q1', the panel unit is named 's' whose value =1. I tried: format date %tq
>> Tsset s date
>> How come an error message pops up? I'm using stata 10.
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