Table 4 Factor loading for heavy metal after varimax rotation using PCA
From: Heavy metals accumulation in suburban roadside plants of a tropical area (Jengka, Malaysia)
Metal | Factor 1 | Factor 2 |
|---|---|---|
Fe | − 0.18 | 0.95 |
Cu | 0.51 | 0.81 |
Cd | 0.96 | 0.12 |
Pb | 0.97 | − 0.05 |
Eigenvalues | 2.31 | 1.46 |
Variability (%) | 57.86 | 36.53 |
Cumulative (%) | 57.86 | 94.39 |