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Maximum Likelihood Method on The Construction of
1 \( {5 n+ e$ Z, m4 YPhylogenetic Tree for Identification the Spreading of
" ]/ M& ^. g: C0 f y. bSARS Epidemic 5 {" v, f- e: s6 \. w' C
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There are several phylogenetic tree construction 9 J' G" a/ Q- f; J
methods that can be used to illustrate the spread of disease ^2 t! S" u8 p' T! ^9 T7 u, E6 f
epidemics. One of the methods used is probability-based 8 O% U% \. n. o j% S% [
maximum likelihood. This paper explains how to identify the ) v& }9 e$ `- }1 q0 M
spread of the SARS epidemic in the world using the formation of ) ^3 c6 b) p }# \: C( ^
phylogenetic trees using the maximum likelihood method. The & g/ Z2 E6 v# f/ @ T
output obtained was a description of the spread of SARS virus + k& A6 f( [+ M/ X5 A
with the selection of tree candidates after performing a heuristic & [" q, D; P4 c3 h
search of the Stepwise Addition method. The result of the research
# e7 Q) O& @: E7 X) B C# Oshowed that the closest distance to the palm civet is GZ 02/18/03 $ M- C" e# \% P; A# z6 _3 W
indicating that the initial spread of the SARS epidemic started
: b% X- N4 H$ W' l, @$ e2 Mfrom Guangzhou.
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