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Table 13 The percentage \(\rho _r(k,h)\) (%) of the number of rank-r chemical graphs in \(\text {DB}^{(\le 50)}\) such that the k-branch height is at most h to the number of all rank-r chemical graphs in \(\text {DB}^{(\le 50)}\)

From: A novel method for inference of acyclic chemical compounds with bounded branch-height based on artificial neural networks and integer programming

\(\rho _0(2,1)\) \(\rho _0(2,2)\) \(\rho _1(2,1)\) \(\rho _1(2,2)\) \(\rho _2(2,1)\) \(\rho _3(2,1)\) \(\rho _4(2,1)\)
\(87.23\%\) \(99.46\%\) \(88.13\%\) \(98.76 \%\) \(96.39\%\) \(99.17\%\) \(99.43\%\)