A Two-Stage Method of Dimensioning and Scheduling Service Providers under Patient Demand Uncertainty

Algorithm 4

PAM Algorithm.

(1)	X : set of data points
(2)	k: number of clusters
(3)	Randomly initialize k medoids from X
(4)	Repeat
(5)	Expectation: assign each point to its closest medoid.
(6)	Maximization: specify the new medoid for cluster k.
	Until the medoids have no change