Six variables measured on 100 genuine and 100 counterfeit old Swiss 1000-franc bank notes. The data stem from Flury and Riedwyl (1988). The columns correspond to the following 7 variables. Length: Length of the bank note, Height.left: Height of the bank note, measured on the left, Height.right: Height of the bank note, measured on the right, Inner.Frame.lower: Distance of inner frame to the lower border, Inner.Frame.upper: Distance of inner frame to the upper border, Diagonal: Length of the diagonal, Class: Th class label, genuine or counterfeit. Observations 1-100 are the genuine bank notes and the other 100 observations are the counterfeit bank notes. References: Flury, B. and Riedwyl, H. (1988). Multivariate Statistics, A practical Approach, Cambridge University Press.