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Performs the Hellinger data transformation (square root of sample total standardized data).
hellinger(comm)
A community data.frame
a community data.frame (samples as rows, species as columns)
David W. Roberts droberts@montana.edu http://ecology.msu.montana.edu/droberts/droberts.html
Calculates a sample total standardization (all values in a row are divided by the row sum), and then takes the square root of the values.
http://ecology.msu.montana.edu/labdsv/R
spcmax, samptot, abundtrans
data(bryceveg) hellveg <- hellinger(bryceveg)
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