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arg1
2007 Apr 27
4
Randomising matrices
I would like to be able to randomise presence-absence (i.e. binary)
matrices whilst keeping both the row and column totals constant. Is
there a function in R that would allow me to do this?
I'm working with vegetation presence-absence matrices based on field
observations. The matrices are formatted to have sites as rows and
species as columns. The presence of a species on a site is