Table 2.
Pairwise distance matrix obtained from the spectrum-to-spectrum comparison of the spots that gave reliable spectra.
| spot | #01 | #03 | #04 | #05 | #06 | #10 | #11 | #12 | #13 | #14 | #15 | #17 | #18 | #19 | #20 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| #01 | 0.06 | 0.95 | 0.96 | 0.99 | 1.00 | 0.96 | 0.98 | 0.96 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
| #03 | 0.95 | 0.13 | 0.95 | 0.98 | 1.00 | 0.96 | 0.99 | 0.99 | 0.99 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
| #04 | 0.96 | 0.95 | 0.15 | 0.98 | 1.00 | 0.95 | 0.99 | 0.99 | 0.99 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
| #05 | 0.99 | 0.98 | 0.98 | 0.10 | 1.00 | 0.97 | 0.99 | 0.99 | 0.99 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
| #06 | 1.00 | 1.00 | 1.00 | 1.00 | 0.17 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 0.40 | 0.41 | 0.41 | 0.43 |
| #10 | 0.96 | 0.96 | 0.95 | 0.97 | 1.00 | 0.17 | 0.96 | 0.97 | 0.99 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
| #11 | 0.98 | 0.99 | 0.99 | 0.99 | 1.00 | 0.96 | 0.21 | 0.98 | 0.99 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
| #12 | 0.96 | 0.99 | 0.99 | 0.99 | 1.00 | 0.97 | 0.98 | 0.38 | 0.99 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
| #13 | 1.00 | 0.99 | 0.99 | 0.99 | 1.00 | 0.99 | 0.99 | 0.99 | 0.55 | 1.00 | 0.99 | 1.00 | 1.00 | 1.00 | 1.00 |
| #14 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 0.62 | 0.99 | 1.00 | 1.00 | 1.00 | 1.00 |
| #15 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 0.99 | 0.99 | 0.56 | 1.00 | 1.00 | 1.00 | 1.00 |
| #17 | 1.00 | 1.00 | 1.00 | 1.00 | 0.40 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 0.14 | 0.41 | 0.42 | 0.42 |
| #18 | 1.00 | 1.00 | 1.00 | 1.00 | 0.41 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 0.41 | 0.15 | 0.40 | 0.41 |
| #19 | 1.00 | 1.00 | 1.00 | 1.00 | 0.41 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 0.42 | 0.40 | 0.14 | 0.42 |
| #20 | 1.00 | 1.00 | 1.00 | 1.00 | 0.43 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 0.42 | 0.41 | 0.42 | 0.15 |
Values are cosine distance between spectra from each spot pair. The diagonal represents the “self-distance” values for each spot (italicized); in each row, the values corresponding to the “minimum non-self distance” for each spot are bolded.