Table 38 Comprehensive descriptive statistics of topological indices.
From: Data-driven analysis of chemical graph of carbazole and diketopyrrolopyrrole
Index | Mean | Median | Variance | Std. dev | Range | IQR | Skewness | Kurtosis | Q2Value |
|---|---|---|---|---|---|---|---|---|---|
\(\lambda _1(G)\) | 1296.00 | 1290.00 | 296947.5 | 544.92 | 1746 | 936.5 | 0.00 | 1.79 | 1.000 |
\(\lambda _2(G)\) | 1620.90 | 1625.00 | 464300.5 | 681.40 | 1980 | 1170.5 | 0.01 | 1.81 | 0.621 |
\(\lambda _3(G)\) | 6640.00 | 6640.00 | 7769636.0 | 2786.19 | 8054 | 4460.5 | 0.02 | 1.85 | \(-\)95.242 |
\(R\lambda _1(G)\) | 547.00 | 547.00 | 53334.5 | 230.94 | 657 | 348.5 | 0.00 | 1.76 | \(-\)0.889 |
\(R\lambda _2(G)\) | 590.00 | 590.00 | 61599.5 | 247.98 | 770 | 412.5 | 0.01 | 1.79 | 0.640 |
AZI(G) | 2260.39 | 2260.39 | 902270.0 | 949.86 | 2363 | 1390.5 | 0.02 | 1.83 | \(-\)2.150 |
\(ReZG_1(G)\) | 210.00 | 210.00 | 7851.5 | 88.65 | 276 | 176.5 | 0.00 | 1.71 | \(-\)2.917 |
\(ReZG_2(G)\) | 315.50 | 315.50 | 17719.0 | 133.05 | 279 | 202.5 | 0.01 | 1.73 | \(-\)2.187 |
\(ReZG_3(G)\) | 8510.00 | 8510.00 | 12736961.0 | 3568.57 | 11258 | 5860.5 | 0.02 | 1.88 | \(-\)174.507 |