谱系多样性(Phylogenetic diversity,PD)定义为在系统发育树上跨越给定的一组分类群所经过的所有系统发育分支的最小总长度(Faith,1992)。 Phylogenetic diversity (PD) index proposed by Faith (1992). Faith’s PD is defined as the total branch length spanned by the tree including all species in a local ...
R—计算系统发育多样性PD (Calculate Faith’s Phylogenetic Diversity) R计算 PD Calculate Faith’s Phylogenetic Diversity 网址: https://cran.r-project.org/web/packages/picante/index.html Description:Calculate the sum of the total phylogenetic branch length for one or multiple samples. Usage:pd(samp,...
Faith's phylogenetic diversity (Faith's PD) is a highly utilized phylogenetic alpha diversity metric that has thus far failed to effectively scale to trees with millions of vertices. Stacked Faith's phylogenetic diversity (SFPhD) enables calculation of this widely adopted diversity metric at a ...
Lack of Normal Association Between Cerebellar Volume and Neuropsychological Functions in First-Episode Schizophrenia A loss of faith: the sources of reduced political legitimacy for the American medical profession. Threatened Species and the Potential Loss of Phylogenetic Diversity: Conservation Scenarios Based...