[Qgis-developer] R plugins

[Volkan Kepoglu]

On Thu, Jun 4, 2009 at 8:53 AM, Volkan Kepoglu <vkepoglu at gmail.com> wrote:

>
>
> On Wed, Jun 3, 2009 at 8:02 PM, Paolo Cavallini <cavallini at faunalia.it>wrote:
>
>> Paolo Cavallini ha scritto:
>> > Volkan Kepoglu ha scritto:
>> >
>> > Hi Volkan.
>> > Still errors. Apparently they occur when only a point layer without a
>> > numeric column is available.
>>
>
> it is a bug now. the reason is converting from sp classes to ppp format of
> spatstat library in R, at least one numeric column is required. if there is
> no numeric column in point layer, then id column of point layer can be used.
> i will try to fix it.
>

I could not find any function to reach "id" colon of layer. the value of id
colon for each row can be reachable like feature.id(). I want to reach as a
colon. maybe the id as a colon can be unreachable with the python code or i
could not find. do you have any suggestion for this? so i think this option
does not solve the problem. Another solution can be to add a new integer
field, populate this field with numbers and save the file and then sent to
the R. Actually there is another plugin, Borys' Table manager does the same
thing; insert the field and save. Hacking some part of the table manager
code into sda4pp will be a long story. i wll do later. i think these are
note to myself.

thanks for your valuable input and awaring of difficult bug. :-)


>
>
>
>>
>> BTW: the plugin is tremendously useful, I think it would be great to add
>> it to default 3rd party repos ASAP.
>
>
> it will be good to reach this repo more easily for users who deal with
> spatial statistics.
>
>
>>
>> Thanks a lot Volkan!
>> pc
>> --
>> Paolo Cavallini: http://www.faunalia.it/pc
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>>
>
>
> volkan
>
>


-- 
Regards,
Volkan Osman Kepoglu
PhD Candidate
GGIT Department in METU,
Ankara, Turkey.
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