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Questions tagged [spatial-outliers]

Spatially referenced object whose non-spatial attribute values are significantly different from those of other spatially referenced objects in its spatial neighborhood

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1answer
338 views

Filtering out spatial-outliers from cluster of points using PyQGIS?

I have a cluster of points as seen below from a shapefile layer. I need an automated procedure (in PyQGIS or any) of filtering out those points that are outside or further-away from the center of the ...
4
votes
1answer
880 views

Finding outlier point in set of points, by distance, using QGIS?

I need to identify and eliminate the outlier points in a set of points, as depicted below. It seems a simple task, but I cannot find the answer anywhere. I suspect that the proper way to go is ...
1
vote
0answers
91 views

Raster Subtraction with 2 different sized rasters

I am a beginner to ArcGIS and am using it for my dissertation. I have two raster files of different areas and subtracted one from the other to find the difference between the two, however, it has ...
7
votes
1answer
2k views

Spatial outliers detection in R?

What is the best way to detect spatial outliers in R? With spatial outlier detection I mean: Discover the objects whose non-spatial attribute values are significantly different from the values of ...