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标题: Maximum Likelihood Method on The Construction of Phylogenetic Tree for Ident... [打印本页]
作者: 杨利霞    时间: 2020-11-10 15:08
标题: Maximum Likelihood Method on The Construction of Phylogenetic Tree for Ident...
Maximum Likelihood Method on The Construction of
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Phylogenetic Tree for Identification the Spreading of

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SARS Epidemic
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There are several phylogenetic tree construction + X5 y; G) X$ K' G, h5 R/ I' F
methods that can be used to illustrate the spread of disease . C# H- H, [2 y: W+ {
epidemics. One of the methods used is probability-based 0 P" ~7 ^/ n3 w, {1 }$ y9 ]0 Q2 D
maximum likelihood. This paper explains how to identify the
) c" A$ T( ~) g0 X, n1 u. B, j; Aspread of the SARS epidemic in the world using the formation of ! O5 ]4 C4 M  U8 b5 \0 f
phylogenetic trees using the maximum likelihood method. The 3 L- s: a$ @1 e
output obtained was a description of the spread of SARS virus 0 D1 B" n' T3 M
with the selection of tree candidates after performing a heuristic
% Z4 ?$ b# s0 M* w8 t4 csearch of the Stepwise Addition method. The result of the research
5 l# @& R( K2 Nshowed that the closest distance to the palm civet is GZ 02/18/03
) [; U& J$ R) p$ oindicating that the initial spread of the SARS epidemic started
: r; _5 b" u- X5 T: x0 T* ~* J. Qfrom Guangzhou. ! z6 q: i/ y- `+ ]8 w- O3 U

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