X is a 5000 x 5 matrix (numerical variables) k = 6 My desktop machine is a Xeon-processor Dell Precision T3500.
[Ubuntu 12.04.4 LTS (GNU/Linux 3.2.0-58-generic x86_64) with 24 GB RAM] [R version 3.0.2 (2013-09-25) -- "Frisbee Sailing" Copyright (C) 2013 The R Foundation for Statistical Computing Platform: x86_64-pc-linux-gnu (64-bit)] > system.time(X.km <- kmeans(X, centers=k, nstart=25)) user system elapsed 49.763 52.347 103.426 Compared to a Win64 laptop with a similar R version, and the same data: > system.time(X.km <- kmeans(X, centers=k, nstart=25)) user system elapsed 0.36 0.00 0.37 Almost instantaneous. Is there something obvious I'm missing? Ben ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
