Transfer prensence/absence data into incidence frequency data.
a numerical matrix or a data frame, the presence/absence of each species is recorded in the matrix. If the species is presence, it is record 1. On the contrary, it is record 0. See
a numeric vector which first entry is total number of sampling units, and followed by species incidence frequency.
Y.T. Wang ; Y.H. Lee ; K.S. Tseng ; Anne Chao
Maintainer : Anne Chao [email protected]
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