Table 15 K-means clustering variance table of selected chemical components of high-potassium glass (K = 2)
From: Ancient chinese glass heritage classification based on compositional data and machine learning
Element | Cluster category (mean ± standard deviation) | F | P | |
|---|---|---|---|---|
Category 1 (n = 13) | Category 2 (n = 5) | |||
SO2 | −3.786 ± 3.118 | −7.02 ± 1.23 | 4.928 | 0.041** |
CaO | 4.356 ± 0.431 | −0.493 ± 5.245 | 12.103 | 0.003*** |
SrO | −4.749 ± 1.982 | −1.51 ± 3.073 | 7.14 | 0.017** |
PbO | −3.816 ± 3.397 | −0.115 ± 2.938 | 4.573 | 0.048** |
BaO | −5.702 ± 1.176 | 0.752 ± 3.343 | 39.252 | 0.000*** |
CuO | 3.947 ± 1.307 | 1.251 ± 3.596 | 5.818 | 0.028** |
