| 单词 |
dendrogram |
| 释义 |
dendrogram|ˈdɛndrəgræm|
[f. dendro- + -gram.]
A branched diagram representing the apparent similarity or relationship between taxa, esp. on the basis of their observed overall similarity rather than on their phylogeny. Also in extended senses.
1953E. Mayr et al. Methods & Princ. Syst. Zool. iii. 58 Figure 8..is not a phylogenetic tree, because it is not based on any information on fossil forms which might be ancestral connections of the various branches. Such a diagrammatic illustration of degree of relationship based on degree of similarity (morphological and otherwise) may be called a dendrogram. 1961G. G. Simpson Princ. Anim. Taxonomy ii. 62 Opinions or claims regarding dendrograms vary between two extremes: that they have nothing whatever to do with phylogeny or that they do faithfully represent phylogeny. 1969Computers & Humanities IV. 140 A matrix of correlation coefficients is computed and clustered and a dendrogram plotted. |
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