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Questions tagged [distribution]

The frequency or amount at which a thing or things occur within a given area or the set of probabilities that a variable will have a particular value.

13 questions with no upvoted or accepted answers
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Empirical Bayesian kriging - does data need to be normal?

With empirical Bayesian kriging (ebk), does the data need to be normally distributed? If I apply a normal score transformation, my data is still not normal. Is ebk kriging thus an invalid ...
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1answer
55 views

Plotting density map of points?

I have some points and I would like to plot the density map of them. I have tried like this: plt.figure() xedges = np.linspace(540000, 550000, 20) yedges = np.linspace(5200000, 5500000, 20) H, ...
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0answers
47 views

Spatial distribution of vector polygons

I have two vector layers and I am looking for a tool for spatial distribution of the polygons. polygon 1 is the frame, polygon 2 are objects with different size and distribution. I need an index value ...
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0answers
84 views

Redistribution of polygons: supplementing and filling the specific area with polygons with specific size

I'm studying the impact of green wedges (red outline on the figure) on weather parameters in Copenhagen area. What I want to do is check how spatial redistribution of future afforested areas enacted ...
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0answers
76 views

Distribute population to health facilities (GP Practices)

I have been using GIS (ArcGis) for some years but I do not consider myself an expert. I am performing some analysis around GP Practices in London (UK), I would like to be able to estimate the ...
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0answers
73 views

Underlying distribution of points in an ellipse

I'm attempting to generate both a uniform distribution and a normal distribution of points that fall within an ellipse shape, made from a centre point, semi major and minor and rotation in degrees. I ...
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0answers
91 views

Uniformly distribute spatial points over a given extent R

Within a shapefile I am given an integer attribute that indicates the number of points that will need to be evenly (uniformly) distributed over the associated polygons extent. These spatial points ...
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0answers
68 views

Compare distributions of point patterns for significant differences in clustering

My problem is I have tens of thousands of points (GPS) representing animal locations over a period of several months. I want to test if a portion of those points (only about a few hundred) which ...
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95 views

Maxent Probabilities Values

I am working on my first experiment with Maxent. I am using two different species. When I receive the output map and look at it in QGIS the values for suitable habitat probability do not sum to 1. ...
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27 views

Electrical Distribution - ArcGIS

I am currently developing a project for which I need to make the preliminary design of the electricity distribution network topology for a population. For this I have the location of the consumers (...
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0answers
26 views

Distributing object distance using ArcGIS Pro?

Is there any tool in ArcGIS Pro, which could help me arrange objects to my desired distance? As an example, to see you what I am trying to achieve. ( in example objects are in chaotic distances)
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1answer
47 views

Loading points and polylines into PostGIS database and creating connectivity between them using topology?

I am new in PostGIS, and I am trying to create connectivity(using topology) between 3 sets of points and polyline to model an electrical distribution network. Does anyone know how to do this?
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356 views

Distribution of POI query result

There are a lot of POIS in the database with fileds id name address lon lat. When we tried to query some points for a given bounding box, it is simple to build the accordingly sql and get the results,...