Re: st: spmap ... Variable _ID specified in option id()... r(459)

["frank.lopresti@nyu.edu" <fl2@nyu.edu>]

Over the years that I've used spmap, I get this error on basemaps I've
been using without a problem.  I thought there might be a fix.  Frank

On Mon, Nov 4, 2013 at 4:23 PM, Nick Cox <njcoxstata@gmail.com> wrote:
> 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
> njcoxstata@gmail.com
>
>
> On 4 November 2013 21:20, Sergiy Radyakin <serjradyakin@gmail.com> 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, frank.lopresti@nyu.edu <fl2@nyu.edu> 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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