Table 3 The five average centres of K-Means clustering.
From: Spectroscopy and chromaticity characterization of yellow to light-blue iron-containing beryl
Yellow | Yellowish green | Bluish green | Greenish blue | Blue | |
|---|---|---|---|---|---|
Number of samples | 6 | 20 | 16 | 28 | 12 |
| 74.6 | 78.91 | 86.88 | 78.01 | 74.38 |
| 22.67 | 12.79 | 5.88 | 7.43 | 11.33 |
| 102.77 | 121.22 | 174.43 | 183.32 | 208.87 |
Simulated colour |
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