在数据上使用 capscale 执行 dbrda 后，我正在绘制数据，但是当使用 CAP 1 & 2 解释的比例时，您使用特征值还是累积约束特征值，即对于 CAP1 是 4% 还是 68%？有人可以解释一下区别吗谢谢。这是我的输出：

Partitioning of squared Euclidean distance:
              Inertia Proportion
Total          86.378    1.00000
Constrained     5.218    0.06041
Unconstrained  81.160    0.93959

Eigenvalues,and their contribution to the squared Euclidean distance 

Importance of components:
                         CAP1    CAP2     CAP3    MDS1    MDS2    MDS3    MDS4   MDS5    MDS6
Eigenvalue            3.55145 0.95442 0.711896 19.5337 18.0126 16.2450 10.8394 9.6784 6.43312
Proportion Explained  0.04112 0.01105 0.008242  0.2261  0.2085  0.1881  0.1255 0.1120 0.07448
Cumulative Proportion 0.04112 0.05216 0.060406  0.2865  0.4951  0.6832  0.8086 0.9207 0.99517
                          MDS7     MDS8      MDS9
Eigenvalue            0.188022 0.174621 0.0549687
Proportion Explained  0.002177 0.002022 0.0006364
Cumulative Proportion 0.997342 0.999364 1.0000000

accumulated constrained eigenvalues
Importance of components:
                        CAP1   CAP2   CAP3
Eigenvalue            3.5514 0.9544 0.7119
Proportion Explained  0.6806 0.1829 0.1364
Cumulative Proportion 0.6806 0.8636 1.0000