Top "Cluster-analysis" questions

Cluster analysis is the process of grouping "similar" objects into groups known as "clusters", along with the analysis of these results.

Weka simple K-means clustering assignments

I have what feels like a simple problem, but I can't seem to find an answer. I'm pretty new to …

cluster-analysis data-mining weka k-means
How to calculate BIC for k-means clustering in R

I've been using k-means to cluster my data in R but I'd like to be able to assess the fit …

r cluster-analysis k-means
How to get flat clustering corresponding to color clusters in the dendrogram created by scipy

Using the code posted here, I created a nice hierarchical clustering: Let's say the the dendrogram on the left was …

python cluster-analysis scipy hierarchical hierarchical-clustering
Which machine learning library to use

I am looking for a library that, ideally, has the following features: implements hierarchical clustering of multidimensional data (ideally on …

cluster-analysis machine-learning svm
Hierarchical clustering of 1 million objects

Can anyone point me to a hierarchical clustering tool (preferable in python) that can cluster ~1 Million objects? I have tried …

python machine-learning cluster-analysis data-mining hierarchical-clustering
Hierarchical Clustering: Determine optimal number of cluster and statistically describe Clusters

I could use some advice on methods in R to determine the optimal number of clusters and later on describe …

r data-mining cluster-analysis
How to compute precision and recall in clustering?

I am really confused how to compute precision and recall in clustering applications. I have the following situation: Given two …

cluster-analysis precision-recall
How can I cluster a graph in Python?

Let G be a graph. So G is a set of nodes and set of links. I need to find …

python sorting matrix cluster-analysis graph-theory
Google Maps API v3, lots of markers, clustering and performance

I have about 5000 markers I need to render on Google Map. I'm currently using the API (v3) and there are …

performance google-maps google-maps-api-3 google-maps-markers cluster-analysis
WEKA K-Means Clustering

Can anybody explain what the output of the K-Means clustering in WEKA actually means. For example kMeans Number of iterations: 9 …

cluster-analysis data-mining weka k-means