Table 2 Results of two test sets for validation; each line represents one sample; “observed” refers to the dendrochronological reference of the last tree ring measured by means of FTIR; “predicted mean” and “standard deviation” comprise the predictions of each measurement per sample.
From: MD dating: molecular decay (MD) in pinewood as a dating method
Location | Preservation conditions | Number of measurements | Observed | Predicted mean | Standard deviation |
|---|---|---|---|---|---|
AUT | Living | 11 | 2,002 | 1,994 | 34 |
AUT | Constr | 6 | 1,688 | 1,716 | 31 |
NOR | Water | 18 | − 3,210 | − 1,490 | 632 |
AUT | Living | 16 | 1,966 | 1,872 | 79 |
AUT | Constr | 4 | 1,788 | 1,661 | 72 |
FIN | Water | 11 | 1,560 | 1,470 | 139 |
FIN | Water | 7 | 1,387 | 1,300 | 327 |
FIN | Water | 15 | 1,286 | 1,065 | 266 |
AUT | Constr | 6 | 1,456 | 1,601 | 158 |
FIN | Water | 9 | − 2,202 | − 2,494 | 1,239 |
AUT | Living | 12 | 2,000 | 2,002 | 31 |
NOR | Dry | 19 | 1,210 | 1,354 | 162 |
POL | Constr | 10 | 1,596 | 1,626 | 112 |
AUT | Living | 19 | 1,982 | 1,935 | 84 |
AUT | Living | 10 | 1,920 | 1,580 | 312 |
NOR | Living | 17 | 1,990 | 1,982 | 50 |