Research Article
Spectral Discrimination of Archaeological Sites Previously Occupied by Farming Communities Using In Situ Hyperspectral Data
Table 2
Summary statistics for the concentration of different chemical elements within vitrified dung.
| Elements | 1st qu. | Median | 3rd qu. | Mean | Standard deviation | Coefficient of variation |
| Ag | 0.5 | 0.5 | 0.5 | 0.5 | 0.0 | 0.0 | Al | 1.9 | 2.3 | 2.5 | 2.2 | 0.4 | 18.3 | As | 5.0 | 5.0 | 5.0 | 5.0 | 0.0 | 0.0 | Ba | 490.0 | 605.0 | 672.5 | 609.2 | 120.2 | 19.7 | Be | 0.5 | 0.6 | 0.6 | 0.6 | 0.1 | 18.8 | Bi | 2.0 | 2.0 | 2.0 | 2.0 | 0.0 | 0.0 | Ca | 7.1 | 8.8 | 11.5 | 9.0 | 2.8 | 31.4 | Cd | 0.5 | 0.5 | 0.5 | 0.5 | 0.0 | 0.0 | Co | 3.0 | 3.0 | 5.0 | 3.8 | 1.6 | 41.4 | Cr | 26.5 | 34.0 | 37.5 | 33.9 | 9.3 | 27.4 | Cu | 35.0 | 43.5 | 50.5 | 43.5 | 10.7 | 24.7 | Fe | 0.8 | 1.1 | 1.3 | 1.1 | 0.4 | 34.1 | Ga | 10.0 | 10.0 | 10.0 | 10.0 | 0.0 | 0.0 | K | 1.6 | 1.7 | 2.0 | 1.9 | 0.5 | 29.0 | La | 10.0 | 20.0 | 20.0 | 16.7 | 6.5 | 39.1 | Mg | 2.4 | 3.1 | 3.4 | 2.8 | 0.8 | 27.1 | Mn | 501.0 | 573.0 | 715.0 | 600.0 | 127.2 | 21.2 | Mo | 1.0 | 1.0 | 1.0 | 1.0 | 0.0 | 0.0 | Na | 0.4 | 0.5 | 0.6 | 0.5 | 0.1 | 28.3 | Ni | 17.0 | 21.0 | 24.5 | 21.7 | 5.5 | 25.4 | P | 9535.0 | 10000.0 | 10000.0 | 9279.2 | 1380.7 | 14.9 | Pb | 6.0 | 7.0 | 8.3 | 7.3 | 2.2 | 29.8 | S | 0.0 | 0.0 | 0.1 | 0.0 | 0.0 | 75.8 | Sb | 5.0 | 5.0 | 5.0 | 5.0 | 0.0 | 0.0 | Sc | 2.8 | 3.0 | 4.0 | 3.1 | 0.8 | 25.7 | Sr | 987.0 | 1527.5 | 1867.5 | 1471.3 | 571.2 | 38.8 | Th | 20.0 | 20.0 | 20.0 | 20.0 | 0.0 | 0.0 | Ti | 0.1 | 0.2 | 0.2 | 0.2 | 0.1 | 40.7 | Tl | 10.0 | 10.0 | 10.0 | 10.0 | 0.0 | 0.0 | U | 10.0 | 10.0 | 10.0 | 10.0 | 0.0 | 0.0 | V | 16.3 | 26.0 | 36.3 | 27.0 | 14.4 | 53.3 | W | 10.0 | 10.0 | 10.0 | 10.0 | 0.0 | 0.0 | Zn | 102.0 | 141.5 | 192.5 | 149.7 | 55.6 | 37.1 |
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