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===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 measure of the amount of [[homoplasy]] in a [[character]] relative to a given [[cladogram]]. The consistency index is calculated as the ratio of ''m'', the minimum number of steps a character can exhibit on any cladogram, to ''s'', the minimum number of steps the same character can exhibit on the cladogram in question. See also [[ensemble_consistency_index|ensemble consistency index]], [[retention_index|retention index]].
*A measure of the amount of [[homoplasy]] in a [[character]] relative to a given [[cladogram]]. The consistency index is calculated as the ratio of ''m'', the minimum number of steps a character can exhibit on any cladogram, to ''s'', the minimum number of steps the same character can exhibit on the cladogram in question. See also [[ensemble_consistency_index|ensemble consistency index]], [[retention_index|retention index]].
=== Glossary of Plant Systematics (1st ed.) by [[Simpson_2006|Simpson (2006)]] ===
* A measure of the relative amount of homoplasy in a cladogram, equal to the ratio of the minimum possible number of character state changes to the actual number of changes that occur.
== 文献（引用） ==
== 文献（引用） ==
