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Binary (Presence-Absence) Similarity Coefficients
Alan H. Cheetham and Joseph E. Hazel
Journal of Paleontology
Vol. 43, No. 5 (Sep., 1969), pp. 1130-1136
Published by: SEPM Society for Sedimentary Geology
Stable URL: http://www.jstor.org/stable/1302424
Page Count: 7
You can always find the topics here!Topics: Coefficients, Taxa, Correlation coefficients, Numerical taxonomy, Zoology, Geological surveys, Binary data, Systematics
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Various numerical coefficients have been employed in comparisons of taxa or bioassociational units, especially in studies involving large arrays of multivariate data. Nomenclatural and conceptual difficulties have arisen from the translation of coefficients from variable-oriented (R-mode) to case-oriented (Q-mode) use. This paper points out the conceptual relationships and some of the properties of coefficients expressing similarity or difference between units defined by binary data.
Journal of Paleontology © 1969 SEPM Society for Sedimentary Geology