Table 1. Loadings for the First Four Principal Components for PCA Analysis of Fungal Secondary Metabolites (n = 105), Cyanobacteria (n = 75), Tropical Plants (n = 163), and Anticancer Drugs (n = 96).
| principal component | PCLOA 01 | PCLOA 02 | PCLOA 03 | PCLOA 04 |
|---|---|---|---|---|
| eigenvalue | 3.69 | 1.62 | 1.27 | 1.25 |
| cumulative eigenvalue (%) | 44 | 61 | 74 | 87 |
| MW | 0.20 | 0.13 | 0.19 | 0.88 |
| nRBN | –0.02 | –0.08 | 0.89 | 0.25 |
| nN | 0.28 | 0.91 | 0.01 | 0.05 |
| nO | 0.80 | –0.59 | 0.02 | –0.02 |
| nHDon | 0.65 | 0.49 | 0.08 | 0.10 |
| nHAcc | 0.94 | 0.14 | 0.06 | 0.04 |
| TPSA(NO) | 0.95 | 0.24 | 0.05 | 0.01 |
| MLOGP | –0.85 | –0.14 | 0.11 | –0.33 |
| nCC | –0.10 | –0.29 | –0.64 | 0.54 |