Figure 6
From: Metrics for evaluating the stability and reproducibility of mass spectra

Matrix based on the cosine measure between vectors for three fragments of one sample classified as a glioblastoma (Gb1, Gb2 and Gb3) and three fragments of one sample classified as a meningioma (Mn1, Mn2 and Mn3), with smoothing over 51 scans using a shifting window.