Figure 3From: Big data and deep data in scanning and electron microscopies: deriving functionality from multidimensional data setsPCA of band excitation piezoresponse force spectroscopy (BEPS) data. (a) First eigenvector (principal component) of the BEPS data. (b) Second eigenvector (principal component) of the BEPS data. (c) Third eigenvector (principal component) of the BEPS data. (d) Fourth eigenvector (principal component) of the BEPS data.Back to article page