000 | 01598nab a22002777a 4500 | ||
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001 | G69906 | ||
003 | MX-TxCIM | ||
005 | 20230221174523.0 | ||
008 | 121211b |||p||p||||||| |z||| | | ||
022 | _a0022-8850 | ||
040 | _aMX-TxCIM | ||
041 | _aeng | ||
090 | _aREP-836 | ||
100 | 1 |
_aSokal, R.R. _930077 |
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245 | 1 | 2 | _aA statistical method for evaluating systematic relationships |
260 |
_c1958. _aKansas (USA) : _bUniversity of Kansas |
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340 | _aPrinted | ||
520 | _aStarting with correlation coefficients (based on numerous characters) among species of a systematic unit, the authors developed a method for grouping species, and regrouping the resultant assemblages, to form a classificatory hierarchy most easily expressed as a treelike diagram of relationships. The details of the method are described, using as an example a group of bees. The resulting classification was similar to that previously established by classical systematic methods, although some taxonomic changes were made in view of the new light thrown on relationships. The method is time consuming, although practical in isolated cases, with punched-card machines such as were used; it becomes generally practical with increasingly widely available digital computers. | ||
546 | _aText in English | ||
595 | _aRPC | ||
650 | 7 |
_2AGROVOC _92624 _aStatistical methods |
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650 | 7 |
_2AGROVOC _91284 _aTaxonomy |
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700 | 1 |
_aMichener, C.D. _930078 |
|
773 | 0 |
_tUniversity of Kansas Science Bulletin _gv. 38, no. 22 Part II, p. 1409-1438 _dKansas (USA) ; University of Kansas, 1958. _x0022-8850 |
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942 |
_cJA _2ddc |
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999 |
_c20494 _d20494 |