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Table 3 Metric measurements of six representative "bad" chromatographic peaks.

From: Quality evaluation of extracted ion chromatograms and chromatographic peaks in liquid chromatography/mass spectrometry-based metabolomics data

Detected Chromatographic Peaks Sharpness Gaussian Similarity SNR Peak Significance TPASR Zigzag index
EIC ID Apex m/z Left boundary Right boundary       
61 81.2037 350 358 1.3857 0.9204 1.7314 1.4284 0.2824 0.1146
40 90.0552 192 202 0.7868 0.9708 3.0460 1.3116 0.4495 0.0849
154 118.194 416 424 1.4336 0.7430 1.8057 1.4668 0.0134 0.2167
154 118.195 627 637 2.1550 0.6153 2.0857 1.3998 0.2241 0.7840
211 134.987 547 565 2.8075 0.5157 2.2730 1.3840 0.5540 0.9587
338 190.253 259 270 2.1482 0.8328 6.6839 1.5912 0.1919 0.3399