Cophenetic metrics for phylogenetic trees, after Sokal and Rohlf
Correlation between metrics over phylogenetic trees with 4 leaves
Non-necessary binary phylogenetic trees
Spearman's correlation between cophenetic, nodal and RF metrics.
| | Cophenetic p=1 | Cophenetic p=2 | Nodalsp p=1 | Nodalsp p=2 | RF |
| Coph p=1 | 1.0 | 0.95653251 | 0.85112302 | 0.91875017 | 0.72099989 |
| Coph p=2 | | 1.0 | 0.85436557 | 0.93030477 | 0.72441285 |
| Nsp p=1 | | | 1.0 | 0.95882377 | 0.86230593 |
| Nsp p=2 | | | | 1.0 | 0.87136622 |
| RF | | | | | 1.0 |
2D histograms. A darker squeare means that there are more trees with that relationship.
| | Cophenetic p=2 | Nodalsp p=1 | Nodalsp p=2 | RF |
| Coph p=1 |  |  |  |  |
| Coph p=2 | |  |  |  |
| Nsp p=1 | | |  |  |
| Nsp p=2 | | | |  |
Binary phylogenetic trees
Spearman's correlation between cophenetic, nodal and RF metrics.
| | Cophenetic p=1 | Cophenetic p=2 | Nodalsp p=1 | Nodalsp p=2 | Nodalunsp p=1 | Nodalunsp p=2 | RF |
| Coph p=1 | 1.0 | 0.98140274 | 0.96973425 | 0.96973425 | 0.30642621 | 0.34323608 | 0.79129215 |
| Coph p=2 | | 1.0 | 0.99164609 | 0.99164609 | 0.35399869 | 0.42421031 | 0.8383933 |
| Nsp p=1 | | | 1.0 | 1.0 | 0.39813659 | 0.46976467 | 0.86988633 |
| Nsp p=2 | | | | 1.0 | 0.39813659 | 0.46976467 | 0.86988633 |
| Nunsp p=1 | | | | | 1.0 | 0.96061014 | 0.79247737 |
| Nunsp p=2 | | | | | | 1.0 | 0.83612114 |
| RF | | | | | | | 1.0 |
2D histograms. A darker squeare means that there are more trees with that relationship.
| | Cophenetic p=2 | Nodalsp p=1 | Nodalsp p=2 | Nodalunsp p=1 | Nodalunsp p=2 | RF |
| Coph p=1 |  |  |  |  |  |  |
| Coph p=2 | |  |  |  |  |  |
| Nsp p=1 | | |  |  |  |  |
| Nsp p=2 | | | |  |  |  |
| Nunsp p=1 | | | | |  |  |
| Nunsp p=2 | | | | | |  |