Partitioning data points into subsets of objects according to their mutual "similarity," without using preexisting knowledge such as class labels.

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18 views

Clustering of points with count using ArcMap or ArcGIS Pro?

Does anyone know if it is possible to to something like this in ArcMap or ArcGIS Pro? That is clustering of points with count: http://www.mappetizer.de/en/examples/usa_cluster/index.html
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1answer
54 views

Openlayers 3 Cluster Strategy not projecting properly

As the title suggests, my Openlayers map is not displaying clustered points properly and I'm not sure why. My code is pretty simple and straight forward, here it is: JSfiddle: http:// ...
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1answer
44 views

Updating cluster distance in OpenLayers 3?

I have a vector layer with clustering in OL3.4: cluster = new ol.layer.Vector({ source: new ol.source.Cluster({ distance: 20, source: some_geojson }), ...
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0answers
26 views

Analyzing homogeneity of raster values within polygons

I've been working with raster data of NDVI for agriculture plots. I'm testing the use of descriptive statistics (e.g. range and standard deviation) to observe any variations between plots (I think ...
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0answers
57 views

Grouping Analysis (Clustering) of polygons with streets as borders in ArcGIS?

I have a question about the Grouping Analysis Tool in ArcGIS. Is it possible to use streets as spatial borders for the groups? I want to group a city district autmatically with multiple attributes, ...
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0answers
15 views

Is it possible to use Clustering in Layer list widget in ArcGIS Viewer for Flex?

I utilized Layer List widget in ArcGIS Viewer for Flex to display some layers from server. I would like to use clustering tag for each layer in the layer list. Is that possible?
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0answers
188 views

How to draw small circles within a big circle(greater radius) on the basis of marker size on google maps?

I have more than 1000 markers at different location in my Map. I read Lat and Long from a xml file and render it in Google maps and create circle over them on the basis of city name within given ...
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1answer
77 views

CartoDB: How to I cluster by features? Is it even possible?

I have a set of points for a number of buildings in NYC. I would like to group those points into clusters per their respective neighborhood (ex: Chelsea, Upper East Side etc.). Each of my points have ...
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0answers
61 views

Cluster/Group based on distance and value field

I am using ArcGIS 10.2 basic level licence. What I am trying to achieve is to group a set of points based on a value field and to their nearest neighbour. My point file has a integer field and I ...
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1answer
37 views

Creating clusters with same number of points in each in CartoDB

I have a map of about 4200 retailers and I would like to create clusters, with each cluster containing 10 retailers in CartoDB. How can I do this?
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2answers
65 views

how to make clusters from small polygons with constraint of boundary touching?

I want to make some clusters from a bunch of small polygons with the constraint that each basic unit (polygon) in the resultant cluster must share a portion of its boundary with at least one other ...
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0answers
28 views

Cluster multiple feature server

I want to cluster different servers at a time, what I mean is this I have this feature servers: ...
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0answers
33 views

k-NN Search with GIS dataset

I have made a k-NN search algorithm in matlab, and I want to implement it using a GIS data-set. A Google search didn't yield any good test data-sets. At this point, I have created a data-set by taking ...
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1answer
71 views

Create certain number of Clusters, equal sum of Z value

Divide polygons into *n* number of groups of equal counts with ArcGIS 10.2 is very similar to my question. But instead of equal number of polygons, I have multiple points (schools) with a z value ...
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0answers
165 views

K-means cluster analysis with initial centers with ArcGIS

I am trying to figure out a way to make a K means cluster analysis using initial centers for the clusters, and only classifying, no iteration, for the features in a feature class. Having a feature ...
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1answer
87 views

iterate over cluster in markerCluster : leaflet

i need to iterate over all clusters that are currently present in markercluster using leaflet. there's a method called markercluster.getClusters() in googlemaps to do this job. is there something ...
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0answers
148 views

Creating the Regions based on spatial clusters

I need to create areas for my shapefiles for spatial analysis for each. So I have a number of stations and I created 5 clusters based on the distance. code: Al <- ...
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0answers
73 views

Would like map to be divided by region and for it to cluster markers, based on zoom level, using Google Maps Engine?

I am more of an GIS analyst than a developer and I do not have any Java / HTML coding experience. I was hoping that I could get through this using the Google Maps Engine documentation but it has ...
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1answer
94 views

SAGA Cluster Analysis for grids projection issue

I am having an issue with the SAGA cluster analysis for grids tool within QGIS 2.4. I am actually taking this as an online class through Del Mar and we are going over supervised and unsupervised ...
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0answers
74 views

Clustering on Geoserver layer appearing out of the map

We are using Geoserver and openlayers to display maps. Geosever layer provides list of sites, since there were many we did a clsutering using Styles. But the problem is when we zoom out completely ...
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1answer
112 views

Cluster numbering in openlayers

I am using openlayers 2 for making clustering on vector point data for which I am a beginner. I have installed geoserver locally via opengeo suite and using 'world_cities' dataset as an example. I ...
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0answers
123 views

Creating a polygon around features

I want to create a polygon around a number of points so that all the points occur within the polygon. The purpose is to do this to a number of different features and see where they overlap.
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1answer
170 views

40k+ points from Shapefile, clustering them and populating on Google Maps/Webapp

I just started a new Python/Django webapp job related to GIS (and i'm totally new to GIS). Here is my task and what i have found so far, and i am stuck as to finding out what's the best way or the ...
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0answers
198 views

Point Cluster Layer not defined

I am trying to do a point cluster layer based on the JSON objects I obtained from database. Here is my JavaScript to plot a point cluster layer: function addClusters() { $.ajax({ url: ...
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1answer
242 views

How do i integrate Clustering into my Google Map?

How do i integrate clustering for my google map? I have found a few codes but i'm not sure how to combine both so that it won't mess up the whole site. This is my current code: <script ...
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1answer
60 views

problem labelling cluster features in openlayers

I'm trying to label a vector layer with clustered points in OpenLayers. When the feature is clustered I want to show the value of an attribute of all the features included in the cluster. I've tried ...
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0answers
34 views

Applying Spatial Clustering test using R? [duplicate]

I’m very new to R so please bear with me: I have a set of area infested by a disease (AIS) annually data and I want to apply some cluster methodology to detect regions with similar (AIS) patterns. I ...
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1answer
108 views

MYSQL 5.6 Cluster / chain points by distance to any other point without millions of calculations?

I have a table of approx 10,000 - 20,000 dynamic points across the globe stored as lon/lat points. I want to cluster any point within (roughly) 3km of any other point into one point (and return the ...
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0answers
28 views

How to divide my area into adjecent polygons containing 80 points each? [duplicate]

I have a couple of thousand points in my dataset. I need to create clusters that each consists of 80 points. The specific selection of which points to put into a cluster is not critical - only the ...
0
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1answer
92 views

OpenLayers Clustering Adds Features to Selected Features Array on Zoom

This is my first posted question despite using StackExchange for a few years now. I've been stuck for quite some time trying to figure out this issue with OpenLayers. The problem is as follows: I ...
-1
votes
1answer
101 views

Automatic Clustering in ArcGIS for Desktop? [closed]

Given a set of random data points on a map, I would like to cluster the data points based on number of data points in a cluster, time to travel within all the data points in the cluster,and/or number ...
-2
votes
3answers
179 views

Is AMEOBA ArcToolbox compatible with ArcGIS for Desktop 10.2?

Is the AMEOBA ArcToolbox compatible with ArcGIS 10.2? My error (when trying to run one of its tools) is noted below. (click to enlarge)
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votes
1answer
235 views

CartoDB Point Clustering?

I need to create clusters in Cartodb. I reffered to this code https://gist.github.com/andrewxhill/8695353. I am still getting an error. <!DOCTYPE html> <html lang="en"> <head> ...