Jackknife and bootstrap tests of the composition vector trees |
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Authors: | Zuo Guanghong Xu Zhao Yu Hongjie Hao Bailin |
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Institution: | T-Life Research Center & Department of Physics, Fudan University, Shanghai 200433, China. |
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Abstract: | Composition vector trees(CVTrees)are inferred from whole-genome data by an alignment-free and parameter-free method.The agreement of these trees with the corresponding taxonomy provides an objective justification of the inferred phylogeny.In this work,we show the stability and self-consistency of CVTrees by performing bootstrap and jackknife re-sampling tests adapted to this alignment-free approach.Our ultimate goal is to advocate the viewpoint that time-consuming statistical re-sampling tests can be avoided at all in using this alignment-free approach.Agreement with taxonomy should be taken as a major criterion to estimate prokaryotic phylogenetic trees. |
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