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Biplot of PCs 1 and 2 with playing positions and contributions of different variables.
Small dots = Relation of each individual player to the first two principal components. Large dots = Means of all the playing positions.
Abbreviations: CB = centre back, CM = centre midfield, FB = full back, GK = goalkeeper, S = striker, W = winger, Wball = with a ball, Woball = without a ball
