# Analysis of community ecology data in R

David Zelený

### Site Tools

en:non-hier_r

Section: Numerical classification

## K-means (non-hierarchical classification)

### R functions

• kmeans - performs K-means clustering on raw data matrix (samples x species). The function is a bit not well documented, so the use requires attention. The first argument, x, should be matrix (or data frame) of species composition, with samples in rows and species in columns. Argument centers could be either integer (number of clusters) or a vector with cluster centres.