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 \(\text {DB}^{(\le 50)}\)
\(\rho _0(2,1)\) | \(\rho _0(2,2)\) | \(\rho _1(2,1)\) | \(\rho _1(2,2)\) | \(\rho _2(2,1)\) | \(\rho _3(2,1)\) | \(\rho _4(2,1)\) |
|---|---|---|---|---|---|---|
\(87.23\%\) | \(99.46\%\) | \(88.13\%\) | \(98.76 \%\) | \(96.39\%\) | \(99.17\%\) | \(99.43\%\) |