View source: R/diversity-components.R
raw_alpha | R Documentation |
Calculates the low-level diversity component necessary for calculating alpha diversity.
raw_alpha(meta)
meta |
object of class |
Values generated from raw_alpha()
may be input into subdiv()
and
metadiv()
to calculate raw subcommunity and metacommunity alpha
diversity.
raw_alpha
returns an object of class powermean
R. Reeve, T. Leinster, C. Cobbold, J. Thompson, N. Brummitt, S. Mitchell, and L. Matthews. 2016. How to partition diversity. arXiv 1404.6520v3:1–9.
pop <- data.frame(a = c(1,3), b = c(1,1)) row.names(pop) <- paste0("sp", 1:2) pop <- pop/sum(pop) meta <- metacommunity(pop) # Calculate raw alpha component a <- raw_alpha(meta) subdiv(a, 1) metadiv(a, 1)
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