The ade4 Package - NexTag Supports Open Source Initiatives

184 originality
Usage
originality(phyl, method = 5)
Arguments
phyl
an object of class phylog
method a vector containing integers between 1 and 5.
Details
1 = Vane-Wright et al.’s (1991) node-counting index 2 = May’s (1990) branch-counting index 3
= Nixon and Wheeler’s (1991) unweighted index, based on the sum of units in binary values 4 =
Nixon and Wheeler’s (1991) weighted index 5 = QE-based index
Value
Returns a data frame with species in rows, and the selected indices of originality in columns. Indices
are expressed as percentages.
Author(s)
Sandrine Pavoine 〈pavoine@biomserv.univ-lyon1.fr〉
References
Pavoine, S., Ollier, S. and Dufour, A.-B. (2005) Is the originality of a species measurable? Ecology
Letters, 8, 579–586.
Vane-Wright, R.I., Humphries, C.J. and Williams, P.H. (1991). What to protect? Systematics and
the agony of choice. Biological Conservation, 55, 235–254.
May, R.M. (1990). Taxonomy as destiny. Nature, 347, 129–130.
Nixon, K.C. & Wheeler, Q.D. (1992). Measures of phylogenetic diversity. In: Extinction and
Phylogeny (eds. Novacek, M.J. and Wheeler, Q.D.), 216–234, Columbia University Press, New
York.
Examples
data(carni70)
carni70.phy