Reference

TGL kmeans run kmeans++ algorithm
TGL_kmeans()	kmeans++ with return value similar to R kmeans
TGL_kmeans_tidy()	TGL kmeans with 'tidy' output
Matrix matrix utility functions
downsample_matrix()	Downsample the columns of a matrix to a target number
misc utility functions
tglkmeans.set_parallel()	Set parallel threads
simulate_data()	Simulate normal data for kmeans tests
tglkmeans tglkmeans-package	tglkmeans: Efficient Implementation of K-Means++ Algorithm