k-means - w3toppers.com

Cluster analysis in R: determine the optimal number of clusters

If your question is “how can I determine how many clusters are appropriate for a kmeans analysis of my data?“, then here are some options. The wikipedia article on determining numbers of clusters has a good review of some of these methods. First, some reproducible data (the data in the Q are… unclear to me): … Read more

python kmeans on string

you will first have to define how you wanna cluster your data. The scikit-learn’s simple KMeans clustering is designed to work on numbers. However scikit-learn can be also be used to cluster documents by topics using a bag-of-words approach. This is done by extracting the features using scipy.sparse matrix instead of standard numpy arrays One … Read more