Structure and stability in TMC-1: Analysis of NH3 molecular line and Herschel continuum data

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Table 3

Results from the NbClust method.

m	N	I	C _m	C _m,w	Figure

k-means	4	11	0.0054	0.25	Fig. 6

McQuitty^*	15	6	0.0029	0.048	Fig. C.2a
Ward	4	7	0.0059	0.38	Fig. C.2b
Ward2	4	8	0.0069	0.38	Fig. C.2c
Complete	4	9	0.0086	0.44	Fig. C.2d
Average	3	7	0.0123	0.78	Fig. C.2e
Median	2	7	0.0126	2.16	Fig. C.2f
Centroid	2	9	0.0129	2.22	Fig. C.2g
Single	2	8	0.0131	2.26	Fig. C.2h

Notes.The columns are: (1) name of the clustering method; (2) ideal number of clusters; (3) number of indices proposing N; (4, 5) sum (Eq. (17)) and weighted sum (Eq. (18)) of within-cluster variances; and (6) reference to the figure showing the clusters projected to the plane of the sky.

^(*)

fragments that are too small relative to the beam size.

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