Temperature clusters in commercial buildings using k-means and time series clustering

Energy Informatics

Table 4 Optimal number of clusters and silhouette score for each clustering method

Variables	Floor	K-means clusters		Time-series clusters (Ward, Euclidean)		Time-series clusters (Average, Correlation)
Variables	Floor	Optimal clusters	Silhouette score	Optimal clusters	Silhouette score	Optimal clusters	Silhouette score
Temperature	Floor1	3	0.66	3	0.78	5	0.71
	Floor2	4	0.61	3	0.62	3	0.68
	Floor4	4	0.58	2	0.88	3	0.61
Temperature + humidity	Floor1	4	0.46	2	0.83	2	0.41
	Floor2	3	0.4	3	0.68	4	0.6
	Floor4	4	0.55	2	0.85	2	0.64
Temperature + humidity + pressure	Floor1	6	0.27	2	0.72	2	0.41
	Floor2	4	0.44	2	0.65	2	− 0.05
	Floor4	4	0.36	2	0.85	4	0.54