lyubishchev: Quantitative Taxonomy Methods of A.A. Lyubishchev (1943)
Implements the multivariate classification methods of Alexander
Alexandrovich Lyubishchev (1890-1972), as described in his 1943 manuscript
'Programma obshchey sistematiki'
Lyubishchev (1943) <https://www.zin.ru/animalia/coleoptera/rus/lyubis05.htm>
and published in Lubischew (1962) <https://www.jstor.org/stable/2527894>.
Provides divergence_coefficient() for measuring separation between groups
on continuous features, scatter_ellipse() for fitting covariance ellipses
per class, transgression() for detecting ellipse overlap, and classify()
for Bayesian posterior classification. These methods predate and are more
general than the binary-character similarity coefficients of
Sokal and Sneath (1963) that appear in other R packages.
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