The problem of developing a similarity index for different objects is discussed. The limitations of current metrics are evaluated and discussed. The normalized compression distance, based on the non-computable Kolmogorov… Click to show full abstract
The problem of developing a similarity index for different objects is discussed. The limitations of current metrics are evaluated and discussed. The normalized compression distance, based on the non-computable Kolmogorov complexity, is examined and compared with two alternative measures. A case study consisting of a phylogenetic tree of different mammals is constructed applying this technique with a mitochondrial DNA database.
               
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