from The Century Dictionary and Cyclopedia
- Not resolving; undetermined.
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When 'unresolving' only the most terminal nodes on the phylogeny, the NRI and NTI in the assemblages were generally highly correlated (r2 > 0.8) with the NRI and NTI values from the fully bifurcating phylogeny
The sensitivity of each of these three metrics to the resolution of the phylogenetic tree was quantified by 'unresolving' the phylogeny to varying degrees.
When randomly 'unresolving' nodes on the phylogeny, the correlation between the NRI from the fully bifurcating tree and the NRI derived from phylogenies with polytomies generally became weaker as the phylogenetic resolution decreased (
Meduri GU et al. Effect of prolonged methylprednisoloine therapy in unresolving acute respiratory distress syndrome.
This was especially true when randomly unresolving nodes in the phylogeny.
Thus, unresolving only the most terminal nodes in the phylogeny had much less influence on the power to predict the real NRI and NTI whereas randomly unresolving nodes on the phylogeny had a much greater negative impact.
This result was particularly noticeable in the largest phylogeny and again randomly unresolving the phylogeny had a much greater negative impact on predictive power than unresolving the most terminal nodes (