[Qgis-user] Shapefiles with all numeric attribute names don't classify right?

[Philip Pierdomenico]

Agreed, don't start field names with numbers.

(from ESRI, but I think should apply equally to shapefiles used in QGIS):
http://support.esri.com/cn/knowledgebase/techarticles/detail/23087


Phil


On Tue, May 10, 2016 at 1:55 PM, Anita Graser <anitagraser at gmx.at> wrote:

> ​Hi Ian,
> If I remember correctly, Shapefile attribute names must not start with a
> number. Im not sure why this is but I think that could be part of the issue.
> Best wishes,
> Anita​
>
> On Tue, May 10, 2016 at 3:26 PM, Ian Turton <ijturton at gmail.com> wrote:
>
>> I have a shapefile with a bunch of attributes called 1980,1990,2000, etc
>> to represent the years the data is for. They are integers (if that matters)
>> but when I try to use them in a Qgis (2.14.2-Essen) the styler recognises
>> them as numeric but when I try to produce a graduated style all the classes
>> are  set to -2147483648 - -2147483648. If I rename the attribute to
>> 1980_inc or inc1980 the classifier is happy and everything works as I
>> expect.
>>
>> Does anyone know what might be going on?
>>
>> Ian
>>
>> --
>> Ian Turton
>>
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