Clusters K K = 3 J = Σ ‖x − μₖ‖²

▶ Start ⏭ Iterate ⟲ ⤮ New data k-means++ Regions ☰ iter 0 inertia —

assign → move → repeat   init = k-means++ click adds a point · Space run · S iterate · R re-seed · N new data