[MRG+1] Adding support for sample weights to K-Means#10933

Merged

TomDLT merged 12 commits intoscikit-learn:masterfrom

jnhansen:weighted_k_means

May 22, 2018

Commits on Apr 9, 2018

added tests for sample_weights checks
jnhansen
committed

Commits on Apr 10, 2018

Commits on Apr 11, 2018

more efficient inertia calculation in _kmeans_single_elkan if sample_weights is not None
jnhansen
committed

Commits on Apr 15, 2018

combine sample weight tests for KMeans and MiniBatchKMeans
jnhansen
committed

Commits on May 15, 2018