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I:   @G℄   *B 4  6   (   : E  % & /... + -  77  7   1          ( 5F  & -; & ?88C ESANN'2002 proceedings - European Symposium on Artificial Neural Networks Bruges (Belgium), 24-26 April 2002, d-side publi., ISBN 2-930307-02-1, pp. 131-136 class 1 − glioblastomas class 2 − meningiomas 0.12 0.12 mean mean+std Cho 0.1 mean magnitude intensity (+ std) Cho 0.1 mean magnitude intensity (+ std) Cho choline Cr creatine NAc N−acetyl Lac lactate Ala alanine 0.08 0.06 Cr 0.04 lipids/Lac 0.08 0.06 Cr 0.04 NAc Ala NAc 0.02 0 0 −150 −100 frequency (Hz) −50 0.02 −200 0 −250 0 −50 −200 −150 −100 frequency (Hz) −250                                                           ? M 1 0.9 RBF 0.8 Linear 0.7 Sensitivity 0.6 Polynomial 0.5 0.4 0.3 0.2 0.1 0 0 0.1 0.2 0.3 0.4 0.5 0.6 1 − Specificity 0.7 0.8 0.9 1 ? .M !"   #$%$& '         % '     (  )   "  ()"  *+,-.   /0 1  *2.3    1   *.2*    1