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Re: st: spmap ... Variable _ID specified in option id()... r(459)
From
Nick Cox <[email protected]>
To
"[email protected]" <[email protected]>
Subject
Re: st: spmap ... Variable _ID specified in option id()... r(459)
Date
Mon, 4 Nov 2013 21:23:35 +0000
I'm with Sergiy in being puzzled on what the question is, but one
answer has to be -duplicates- to do more checking than -isid- does.
Nick
[email protected]
On 4 November 2013 21:20, Sergiy Radyakin <[email protected]> wrote:
> Well, yes, if the variable that you are specifying as ID is not unique
> among the observations, you should get this message. What is the
> question?
> Best, Sergiy
>
> PS: From the -spmap- code:
> /* Check option id() */
> preserve
> marksample TOUSE, novarlist
> markout `TOUSE' `id'
> qui keep if `TOUSE'
> capture isid `id'
>
>
>
>
>
>
> On Mon, Nov 4, 2013 at 4:10 PM, [email protected] <[email protected]> wrote:
>> When I simply want to display the map and use the command
>>
>> spmap using worldcoor, id(_ID)
>>
>> I sometimes get error message:
>>
>> Variable _ID specified in option id() does not uniquely identify the
>> observations
>> r(459);
>> *
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>> * http://www.ats.ucla.edu/stat/stata/
> *
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*
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