Message-ID: <209D3465-1C4C-4848-A3A7-93401EF6002C@csic.es>
Date: 2016-04-25T13:00:45Z
From: Santiago BeguerÃa
Subject: spatialpoints: each dot represents 100 individuals?
In-Reply-To: <571E1141.5020005@uni-muenster.de>
Good question. Not on my example, I don?t think so. It will depend on the projection of your data, I guess.
Stg
> El 25 abr 2016, a las 14:44, Edzer Pebesma <edzer.pebesma at uni-muenster.de> escribi?:
>
> Do these hexagons represent areas with equal area?
>
> On 25/04/16 13:52, Santiago Beguer?a wrote:
>> Hi Juta,
>>
>> Do you need to represent the aggregated data as points necessarily? Otherwise, I have used the stat_hexbin representation from ggplot2 for that very purpose, see for instance:
>>
>> http://santiago.begueria.es/wordpress/wp-content/uploads/2015/06/Figure_01.png
>>
>> Cheers,
>>
>> Stg
>>
>>> El 25 abr 2016, a las 13:35, Juta Kawalerowicz <juta.kawalerowicz at nuffield.ox.ac.uk> escribi?:
>>>
>>> Hi,
>>>
>>> I have a dataset with couple of million of points (individuals) and
>>> would like to do some mapping (I have the coordinates of each point)
>>> but given the number of observation I think it may be usuful to plot
>>> dots which represent 100 individuals (of a given group). Does anyone
>>> know a good way to aggregate up spatialpoints? Any suggestions would
>>> be much appreciated!
>>>
>>> Best wishes,
>>> Juta
>>>
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>>
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>
> --
> Edzer Pebesma
> Institute for Geoinformatics (ifgi), University of M?nster
> Heisenbergstra?e 2, 48149 M?nster, Germany; +49 251 83 33081
> Journal of Statistical Software: http://www.jstatsoft.org/
> Computers & Geosciences: http://elsevier.com/locate/cageo/
> Spatial Statistics Society http://www.spatialstatistics.info
>
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