TDAT:     private boolean vectorsToNearestCentroid() {
        boolean converged = true;
        for (int i = 0; i < vectors.size(); ++i) {
            // Find centroid closest to current vector.
            int nearest = vectors.get(i).nearest(centroids);

            // If there was a change then there is no convergence.
            if (nearest != nearestCentroid[i]) {
                converged = false;
            }
            nearestCentroid[i] = nearest;
        }
        updateNearestNeighbours();
        return converged;
    }
 COM: <s> assign vectors to nearest centroid </s>