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TableĀ 2 Average Bruker score against triplicate reference spectra from seeds collected in 2017 for 12 blind-test seeds collected in 2016 from Harmondsworth Moor, Lampeter, Rhosmaen, and Silwood Park (three seeds from each site)

From: Discrimination between regional biotypes of Impatiens glandulifera using a simple MALDI-TOF MS-based method for use with seeds

Blind-test number Average Bruker score against triplicate reference spectra for seeds from Identification call Accuracy after unblinding
Harmondsworth Moor Lampeter Rhosmaen Silwood Park
13 1.455 2.170 2.115 1.842 Lampeter Correct
14 0.972 2.247 2.165 1.949 Lampeter Incorrect (Rhosmaen)
15 2.322 1.390 1.378 1.251 Harmondsworth Moor Correct
16 1.155 2.014 2.026 1.639 Rhosmaen Correct
17 2.041 1.525 1.487 1.603 Harmondsworth Moor Correct
18 1.384 1.433 1.650 2.399 Silwood Park Correct
19 1.325 2.207 2.181 1.645 Lampeter Correct
20 1.404 1.495 1.621 2.336 Silwood Park Correct
21 1.710 1.855 1.996 2.350 Silwood Park Correct
22 1.136 2.185 1.936 1.772 Lampeter Correct
23 2.006 1.754 1.734 1.587 Harmondsworth Moor Correct
24 1.488 2.280 2.371 1.779 Rhosmaen Correct
  1. The highest average Bruker score is given as the identification call in the penultimate column, and the accuracy of this after unblinding the data is shown the final column