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Figure 8
Results of principal component analysis, applied to a stack of images of Chernozem soil taken with the STXM at BESSY II. The first six eigenimages of the stack are shown. The first PC shows a distribution map identical to that of the averaged sample. Negative values in the maps have no physical representations. The fifth and sixth maps show noise, but five PCs will be further considered to avoid losing information.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 15| Part 1| December 2008| Pages 26-35
doi:10.1107/S0909049507047966
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