「Ordered character」の版間の差分

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== Definition ==
 
== Definition ==
 
===Glossary of "Cladistics (2nd ed.)" by [[Kitching_Forey_Humphries_Williams_1998|Kitching et al. (1998)]]===
 
===Glossary of "Cladistics (2nd ed.)" by [[Kitching_Forey_Humphries_Williams_1998|Kitching et al. (1998)]]===
*A [[multistate_character|multistate character]] of which the [[order]] has been determined.  Transformation between any two [[adjacent]] states costs the same number of steps (usually one, see [[direction]]), but transformation between two [[non-adjacent_character|non-adjacent]] states costs the sum of the steps betweentheir implied adjacent states.  For example, in the [[ordered character]], 0 <-> 1 <-> 2, the transformations 0 <-> 1 and 1 <-> 2 each cost the same number of steps but the transformation 0 <-> 2 costs twice as many (i.e. transformation proceeds as if via state 1).  [[Wagner optimization]] uses [[ordered characters]].  Cf. [[unordered]].
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*A [[multistate_character|multistate character]] of which the [[order]] has been determined.  Transformation between any two [[adjacent]] states costs the same number of steps (usually one, see [[direction]]), but transformation between two [[non-adjacent]] states costs the sum of the steps betweentheir implied adjacent states.  For example, in the [[ordered_character|ordered character]], 0 <-> 1 <-> 2, the transformations 0 <-> 1 and 1 <-> 2 each cost the same number of steps but the transformation 0 <-> 2 costs twice as many (i.e. transformation proceeds as if via state 1).  [[Wagner_optimization|Wagner optimization]] uses [[ordered_character|ordered characters]].  Cf. [[unordered]].
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=== Glossary of Plant Systematics (1st ed.) by [[Simpson_2006|Simpson (2006)]] ===
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* Referring to a transformation series in which the character states occur in a predetermined sequence.
  
 
== 文献(引用) ==
 
== 文献(引用) ==
 
*[[Kitching_Forey_Humphries_Williams_1998|Kitching, I. J., Forey, P. L. Humphries, C. J. & Williams, D. M.  1998.  Cladistics, 2nd ed.: the Theory and Practice of Parsimony Analysis.  -xii + 228 pp.  Oxford University Press, New York.]]
 
*[[Kitching_Forey_Humphries_Williams_1998|Kitching, I. J., Forey, P. L. Humphries, C. J. & Williams, D. M.  1998.  Cladistics, 2nd ed.: the Theory and Practice of Parsimony Analysis.  -xii + 228 pp.  Oxford University Press, New York.]]
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* [[Simpson_2006|Simpson, M. G.  2006.  Plant Systematics. -xi + 590 pp.  Elsevier Academic Press, Oxford.]]
 
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[http://www.hiroshima-u.ac.jp/index-j.html 広島大学] / [http://www.digital-museum.hiroshima-u.ac.jp/~museum/ デジタル自然史博物館] / [http://www.digital-museum.hiroshima-u.ac.jp/~museum/plant/ 植物] / [[生物の用語集(アルファベット順)|アルファベット順]] / [[生物の用語集(アルファベット順)_O|O]] | [[生物の用語集(仮名順)|仮名順]] にもどる

2017年4月5日 (水) 08:21時点における最新版

ordered character

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Definition

Glossary of "Cladistics (2nd ed.)" by Kitching et al. (1998)

Glossary of Plant Systematics (1st ed.) by Simpson (2006)

  • Referring to a transformation series in which the character states occur in a predetermined sequence.

文献(引用)


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