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Figure 4 | BMC Bioinformatics

Figure 4

From: A database application for pre-processing, storage and comparison of mass spectra derived from patients and controls

Figure 4

Snapshot of the GUI to create one of the three matrices. A matrix is created with the number of occurrences of masses in replicate spectra of different samples, a binary table with number of occurrences of masses above a specific threshold, and a matrix with the mean intensity of the present peaks in the mass spectra replicates. A small preview part of an example matrix with a total of 1949 peptide masses and 111 samples, with the number of occurrences of masses in replicate spectra of the samples is presented at the bottom of the GUI.

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