I have implemented a function to find the nearest data point to each centroid calculated after running the K-Means clustering algorithm. I wanted to know if there's a sklearn function that allows m...

I want to do some spatial statistic analysis with the county-level crop yield data in Nebraska for the STAT class. For that I need the longitude and latitude of the geographic centroids of each cou...

I have a numpy array of 0's and 1's (512 x 512). I'd like to calculate the centroid of the shape of 1's (they're all connected in one circular blob in the middle of the array). for i in xrange(len...

I have a dataset two continuous variables and one factor variable (two classes). I want to create a scatterplot with two centroids (one for each class) that includes error bars in R. The centroids ...

I am working with geospatial shapes and looking at the centroid algorithm here, http://en.wikipedia.org/wiki/Centroid#Centroid_of_polygon I have implemented the code in C# like this (which is jus...

I have got a lot of x,y coordinates which I have clustered based on the distance between them. Now I would like to calculate a centroid measure for each cluster of x,y coordinates. Is there a way t...

I am SUPER new to python coding and would like some help. I was able to segment each cell outline within a biological tissue (super cool!) and now I am trying to find the centroid of each cell with...

This code is what I am using for silhouette_score. And in here I am using Agglomerative Clustering, linkage as Ward. I would like to get "Centroid" of Agglomerative Clustering, would it be possibl...

This Question is more Theoretical, and not specifically trying to problem-solve. I recently was introduced to the K-Means Clustering algorithm, and unsupervised machine learning algorithm, and I w...

I'm using the centroid of polygons to attach a marker in a map application. This works definitely fine for convex polygons and quite good for many concave polygons. However, some polygons (banana,...

I need to add labels to polygons and I normally use the centroid, however the centroid does not fall inside the polygon. I found this question Calculate Centroid WITHIN / INSIDE a SpatialPolygon bu...

Follow up from this question: gCentroid shifting centroid towards concentration of points, but with a trickier shape. Using this SpatialPointsDataFrame I calculated the center using gCentroid, but ...

I have a data set with (labeled) clusters. I'm trying to find the centroids of each cluster (a vector that his distance is the smallest from all data points of the cluster). I found many sol...

Question Do the values returned by rgeos::gCentroid() and sf::st_centroid() differ? If so, how? Context After reading the relevant commands exported by rgeos section within the r-spatial/sf wiki...

I'm trying to work out how best to locate the centroid of an arbitrary shape draped over a unit sphere, with the input being ordered (clockwise or anti-cw) vertices for the shape boundary. The dens...

I am working on implementing k-means clustering in Python. What is the good way to choose initial centroids for a data set? For instance: I have following data set: A,1,1 B,2,1 C,4,4 D,4,5 I nee...

I am trying to manipulate some Brazilian Census data in R using the new "sf" package. I am able to import the data, but I get an error when I try to create the centroids of the original polygons l...

I am trying to add up all the x and y coordiantes respectively from points of ArrayList. public static ArrayList knots = new ArrayList<Point>(); public Point centroid() { Point center = ...

In Software like ArcMap one can create centroids for polygons within a polygon. In cases like the one shown below this is necessary. In R it is possible to calculate centroids of spatial polygons...

I need to calculate the centroids of a set of spatial zones based on a separate population grid dataset. Grateful for a steer on how to achieve this for the example below. Thanks in advance. requ...

I am ecologist, using mainly the vegan R package. I have 2 matrices (sample x abundances) (See data below): matrix 1/ nrow= 6replicates*24sites, ncol=15 species abundances (fish) matrix 2/ n...

Summary: I thought that using gCentroid in R would return the centroid of a group of points, however I realised that for some reason it actually returns the geometric mean and not the centroid I w...

I am trying to find the centroid of a contour but am having trouble implementing the example code in C++ (OpenCV 2.3.1). Can anyone help me out?

I have spent all day reading up on the above MATLAB functions. I can't seem to find any good explanations online, even on the MathWorks website! I would be very grateful if anyone could explain b...

Given the location of vertices of a convex polyhedron (3D), I need to calculate the centroid and volume of the polyhedron. Following code is available at Mathworks site. function C = centroid(P) k...