Top "K-means" questions

In statistics and data mining, k-means clustering is a method of cluster analysis which aims to partition n observations into k clusters in which each observation belongs to the cluster with the nearest mean (least squares).

Matlab: Kmeans gives different results each time

I running kmeans in matlab on a 400x1000 matrix and for some reason whenever I run the algorithm I get …

matlab k-means feature-selection
Python Bag of Words clustering

Edit: Here is the complete code for anyone having issues still github.com I'm trying to do an image recognition …

python opencv k-means sift
Plotting output of kmeans(PyCluster impl)

How does on plot output of kmeans clustering in python? I am using PyCluster package. allUserVector is an n by …

python cluster-analysis k-means
Find length of cluster (how many point associated with cluster) after KMeans clustering (scikit learn)

I have done clustering using Kmeans using sklearn. While it has a method to print the centroids, I am finding …

python machine-learning scikit-learn k-means unsupervised-learning
Spark MLLib Kmeans from dataframe, and back again

I aim to apply a kmeans clustering algorithm to a very large data set using Spark (1.3.1) MLLib. I have called …

apache-spark k-means
How to perform k-means clustering in mahout with vector data stored as CSV?

I have a file containing vectors of data, where each row contains a comma-separated list of values. I am wondering …

mahout k-means
Cosine distance as vector distance function for k-means

I have a graph of N vertices where each vertex represents a place. Also I have vectors, one per user, …

cluster-analysis data-mining distance k-means cosine-similarity
How to speed-up k-means from Scikit learn?

On my project I have used k-means to classify data between groups, but I have a problem with the computation …

python machine-learning scikit-learn k-means unsupervised-learning
mahout lucene document clustering howto?

I'm reading that i can create mahout vectors from a lucene index that can be used to apply the mahout …

indexing lucene cluster-analysis k-means mahout
Improving k-means clustering

My lecture notes on computer vision mention that the performance of the k-means clustering algorithm can be improved if we …

algorithm machine-learning computer-vision k-means